chore(package): Add ESLint

.eslintignore

@@ -0,0 +1,4 @@
+*.min.js
+/components.js
+/scripts/utopia.js
+/scripts/vendor/**

.eslintrc

@@ -0,0 +1,109 @@
+{
+	"env": {
+		"browser": true,
+		"commonjs": true,
+	},
+	"extends": "eslint:recommended",
+	"globals": {
+		"Prism": "readonly",
+	},
+	"parserOptions": {
+		"ecmaVersion": 5,
+	},
+	"root": true,
+	"rules": {
+		"comma-dangle": [
+			"warn",
+			"only-multiline",
+		],
+		"linebreak-style": [
+			"error",
+			"unix",
+		],
+		"no-console": "off",
+		"no-empty": "off",
+		"no-inner-declarations": "off",
+		"no-mixed-spaces-and-tabs": "error",
+		"no-redeclare": "off",
+		"no-sparse-arrays": "off",
+		"no-unused-vars": [
+			"warn",
+			{
+				"args": "none",
+			}
+		],
+		"no-useless-escape": "off",
+		"semi": [
+			"error",
+			"always",
+		],
+	},
+	"overrides": [
+		{
+			"files": [
+				"components/*.js",
+				"gulpfile.js",
+			],
+			"rules": {
+				"quotes": [
+					"warn",
+					"single",
+					{
+						"avoidEscape": true,
+					}
+				],
+			},
+		},
+		{
+			"files": [
+				"components/prism-core.js",
+				"prism.js",
+			],
+			"globals": {
+				"WorkerGlobalScope": "readonly",
+			},
+		},
+		{
+			"files": [
+				"tests/**/*.js"
+			],
+			"env": {
+				"es6": true,
+				"node": true,
+				"mocha": true,
+			},
+			"parserOptions": {
+				"ecmaVersion": 2015,
+			},
+		},
+		{
+			"files": [
+				"gulpfile.js",
+			],
+			"env": {
+				"es6": true,
+				"node": true,
+			},
+			"parserOptions": {
+				"ecmaVersion": 2015,
+			},
+		},
+		{
+			"files": [
+				"scripts/**/*.js",
+			],
+			"globals": {
+				"$": "readonly",
+				"$$": "readonly",
+				"$u": "readonly",
+				"Utopia": "readonly",
+				"Promise": "readonly",
+				"components": "readonly",
+				"setTheme": "readonly",
+				"saveAs": "readonly",
+				"PrefixFree": "readonly",
+				"StyleFix": "readonly",
+			},
+		}
+	]
+}

.travis.yml

@@ -17,7 +17,9 @@ before_script:
 - npm install -g gulp
 - gulp
 - gulp premerge
-script: npm test
+script:
+- gulp lint
+- npm test
 deploy:
   provider: npm
   email: [email protected]

components/prism-aspnet.js

@@ -20,7 +20,7 @@ Prism.languages.aspnet.tag.pattern = /<(?!%)\/?[^\s>\/]+(?:\s+[^\s>\/=]+(?:=(?:(
 // match directives of attribute value foo="<% Bar %>"
 Prism.languages.insertBefore('inside', 'punctuation', {
 	'directive tag': Prism.languages.aspnet['directive tag']
-}, Prism.languages.aspnet.tag.inside["attr-value"]);
+}, Prism.languages.aspnet.tag.inside['attr-value']);
 
 Prism.languages.insertBefore('aspnet', 'comment', {
 	'asp comment': /<%--[\s\S]*?--%>/

components/prism-autoit.js

@@ -1,34 +1,34 @@
 Prism.languages.autoit = {
-	"comment": [
+	'comment': [
 		/;.*/,
 		{
 			// The multi-line comments delimiters can actually be commented out with ";"
 			pattern: /(^\s*)#(?:comments-start|cs)[\s\S]*?^\s*#(?:comments-end|ce)/m,
 			lookbehind: true
 		}
 	],
-	"url": {
+	'url': {
 		pattern: /(^\s*#include\s+)(?:<[^\r\n>]+>|"[^\r\n"]+")/m,
 		lookbehind: true
 	},
-	"string": {
+	'string': {
 		pattern: /(["'])(?:\1\1|(?!\1)[^\r\n])*\1/,
 		greedy: true,
 		inside: {
-			"variable": /([%$@])\w+\1/
+			'variable': /([%$@])\w+\1/
 		}
 	},
-	"directive": {
+	'directive': {
 		pattern: /(^\s*)#\w+/m,
 		lookbehind: true,
 		alias: 'keyword'
 	},
-	"function": /\b\w+(?=\()/,
+	'function': /\b\w+(?=\()/,
 	// Variables and macros
-	"variable": /[$@]\w+/,
-	"keyword": /\b(?:Case|Const|Continue(?:Case|Loop)|Default|Dim|Do|Else(?:If)?|End(?:Func|If|Select|Switch|With)|Enum|Exit(?:Loop)?|For|Func|Global|If|In|Local|Next|Null|ReDim|Select|Static|Step|Switch|Then|To|Until|Volatile|WEnd|While|With)\b/i,
-	"number": /\b(?:0x[\da-f]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/i,
-	"boolean": /\b(?:True|False)\b/i,
-	"operator": /<[=>]?|[-+*\/=&>]=?|[?^]|\b(?:And|Or|Not)\b/i,
-	"punctuation": /[\[\]().,:]/
+	'variable': /[$@]\w+/,
+	'keyword': /\b(?:Case|Const|Continue(?:Case|Loop)|Default|Dim|Do|Else(?:If)?|End(?:Func|If|Select|Switch|With)|Enum|Exit(?:Loop)?|For|Func|Global|If|In|Local|Next|Null|ReDim|Select|Static|Step|Switch|Then|To|Until|Volatile|WEnd|While|With)\b/i,
+	'number': /\b(?:0x[\da-f]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/i,
+	'boolean': /\b(?:True|False)\b/i,
+	'operator': /<[=>]?|[-+*\/=&>]=?|[?^]|\b(?:And|Or|Not)\b/i,
+	'punctuation': /[\[\]().,:]/
 };

components/prism-cil.js

@@ -24,4 +24,4 @@ Prism.languages.cil = {
 	'number': /\b-?(?:0x[0-9a-fA-F]+|[0-9]+)(?:\.[0-9a-fA-F]+)?\b/i,
 
 	'punctuation': /[{}[\];(),:=]|IL_[0-9A-Za-z]+/
-}
+};

components/prism-coffeescript.js

@@ -2,10 +2,10 @@
 
 // Ignore comments starting with { to privilege string interpolation highlighting
 var comment = /#(?!\{).+/,
-    interpolation = {
-    	pattern: /#\{[^}]+\}/,
-    	alias: 'variable'
-    };
+	interpolation = {
+		pattern: /#\{[^}]+\}/,
+		alias: 'variable'
+	};
 
 Prism.languages.coffeescript = Prism.languages.extend('javascript', {
 	'comment': comment,

components/prism-core.js

@@ -1,7 +1,6 @@
 var _self = (typeof window !== 'undefined')
 	? window   // if in browser
-	: (
-		(typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
+	: ((typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
 		? self // if in worker
 		: {}   // if in node js
 	);
@@ -152,7 +151,7 @@ var _ = {
 					callback.call(o, i, o[i], type || i);
 
 					var property = o[i],
-					    propertyType = _.util.type(property);
+						propertyType = _.util.type(property);
 
 					if (propertyType === 'Object' && !visited[objId(property)]) {
 						visited[objId(property)] = true;
@@ -178,11 +177,11 @@ var _ = {
 			selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
 		};
 
-		_.hooks.run("before-highlightall", env);
+		_.hooks.run('before-highlightall', env);
 
 		var elements = env.elements || container.querySelectorAll(env.selector);
 
-		for (var i=0, element; element = elements[i++];) {
+		for (var i=0, element; (element = elements[i++]);) {
 			_.highlightElement(element, async === true, env.callback);
 		}
 	},
@@ -231,7 +230,7 @@ var _ = {
 			_.hooks.run('after-highlight', env);
 			_.hooks.run('complete', env);
 			callback && callback.call(env.element);
-		}
+		};
 
 		_.hooks.run('before-sanity-check', env);
 
@@ -288,7 +287,7 @@ var _ = {
 			}
 
 			var patterns = grammar[token];
-			patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
+			patterns = (_.util.type(patterns) === 'Array') ? patterns : [patterns];
 
 			for (var j = 0; j < patterns.length; ++j) {
 				var pattern = patterns[j],
@@ -301,7 +300,7 @@ var _ = {
 				if (greedy && !pattern.pattern.global) {
 					// Without the global flag, lastIndex won't work
 					var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
-					pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
+					pattern.pattern = RegExp(pattern.pattern.source, flags + 'g');
 				}
 
 				pattern = pattern.pattern || pattern;
@@ -328,9 +327,9 @@ var _ = {
 						}
 
 						var from = match.index + (lookbehind ? match[1].length : 0),
-						    to = match.index + match[0].length,
-						    k = i,
-						    p = pos;
+							to = match.index + match[0].length,
+							k = i,
+							p = pos;
 
 						for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
 							p += strarr[k].length;
@@ -370,10 +369,10 @@ var _ = {
 					}
 
 					var from = match.index + lookbehindLength,
-					    match = match[0].slice(lookbehindLength),
-					    to = from + match.length,
-					    before = str.slice(0, from),
-					    after = str.slice(to);
+						match = match[0].slice(lookbehindLength),
+						to = from + match.length,
+						before = str.slice(0, from),
+						after = str.slice(to);
 
 					var args = [i, delNum];
 
@@ -439,7 +438,7 @@ var _ = {
 				return;
 			}
 
-			for (var i=0, callback; callback = callbacks[i++];) {
+			for (var i=0, callback; (callback = callbacks[i++]);) {
 				callback(env);
 			}
 		}
@@ -455,7 +454,7 @@ function Token(type, content, alias, matchedStr, greedy) {
 	this.content = content;
 	this.alias = alias;
 	// Copy of the full string this token was created from
-	this.length = (matchedStr || "").length|0;
+	this.length = (matchedStr || '').length|0;
 	this.greedy = !!greedy;
 }
 
@@ -518,13 +517,13 @@ if (!_self.document) {
 }
 
 //Get current script and highlight
-var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
+var script = document.currentScript || [].slice.call(document.getElementsByTagName('script')).pop();
 
 if (script) {
 	_.filename = script.src;
 
 	if (!_.manual && !script.hasAttribute('data-manual')) {
-		if(document.readyState !== "loading") {
+		if(document.readyState !== 'loading') {
 			if (window.requestAnimationFrame) {
 				window.requestAnimationFrame(_.highlightAll);
 			} else {
@@ -547,5 +546,5 @@ if (typeof module !== 'undefined' && module.exports) {
 
 // hack for components to work correctly in node.js
 if (typeof global !== 'undefined') {
-	global.Prism = Prism;
+	global['Prism'] = Prism;
 }

components/prism-haml.js

@@ -145,7 +145,7 @@
 					},
 					rest: Prism.languages[filter.language]
 				}
-			}
+			};
 		}
 	}
 

components/prism-javascript.js

@@ -22,7 +22,7 @@ Prism.languages.javascript = Prism.languages.extend('clike', {
 	'operator': /-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
 });
 
-Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/
+Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/;
 
 Prism.languages.insertBefore('javascript', 'keyword', {
 	'regex': {