only apply key to keyed each block, not its children

package.json

@@ -66,7 +66,7 @@
     "nyc": "^11.1.0",
     "prettier": "^1.7.0",
     "reify": "^0.12.3",
-    "rollup": "^0.48.2",
+    "rollup": "^0.56.4",
     "rollup-plugin-buble": "^0.15.0",
     "rollup-plugin-commonjs": "^8.0.2",
     "rollup-plugin-json": "^2.1.0",

src/generators/dom/Block.ts

@@ -163,7 +163,7 @@ export default class Block {
 	}
 
 	child(options: BlockOptions) {
-		return new Block(Object.assign({}, this, options, { parent: this }));
+		return new Block(Object.assign({}, this, { key: null }, options, { parent: this }));
 	}
 
 	contextualise(expression: Node, context?: string, isEventHandler?: boolean) {

test/js/samples/collapses-text-around-comments/expected-bundle.js

@@ -194,10 +194,10 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function data() {
 	return { foo: 42 }
 }
-
 function encapsulateStyles(node) {
 	setAttribute(node, "svelte-2794052100", "");
 }

test/js/samples/component-static-immutable/expected-bundle.js

@@ -174,6 +174,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 var Nested = window.Nested;
 
 function create_main_fragment(component, state) {

test/js/samples/component-static-immutable2/expected-bundle.js

@@ -174,6 +174,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 var Nested = window.Nested;
 
 function create_main_fragment(component, state) {

test/js/samples/component-static/expected-bundle.js

@@ -170,6 +170,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 var Nested = window.Nested;
 
 function create_main_fragment(component, state) {

test/js/samples/computed-collapsed-if/expected-bundle.js

@@ -170,6 +170,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function a(x) {
 	return x * 2;
 }

test/js/samples/css-media-query/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function encapsulateStyles(node) {
 	setAttribute(node, "svelte-3905933315", "");
 }

test/js/samples/css-shadow-dom-keyframes/expected-bundle.js

@@ -182,6 +182,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div;
 

test/js/samples/deconflict-globals/expected-bundle.js

@@ -170,6 +170,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function data_1() {
 	return {
 	foo: 'bar'
@@ -179,7 +180,6 @@ function data_1() {
 function oncreate() {
 	alert(JSON.stringify(data()));
 }
-
 function create_main_fragment(component, state) {
 
 	return {

test/js/samples/do-use-dataset/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div, text, div_1;
 

test/js/samples/dont-use-dataset-in-legacy/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div, text, div_1;
 

test/js/samples/dont-use-dataset-in-svg/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var svg, g, g_1;
 

test/js/samples/each-block-changed-check/expected-bundle.js

@@ -202,6 +202,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var text, p, text_1;
 

test/js/samples/event-handlers-custom/expected-bundle.js

@@ -182,10 +182,10 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function foo( node, callback ) {
 	// code goes here
 }
-
 var methods = {
 	foo ( bar ) {
 		console.log( bar );

test/js/samples/head-no-whitespace/expected-bundle.js

@@ -182,6 +182,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var meta, meta_1;
 

test/js/samples/if-block-no-update/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var if_block_anchor;
 

test/js/samples/if-block-simple/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var if_block_anchor;
 

test/js/samples/inline-style-optimized-multiple/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div;
 

test/js/samples/inline-style-optimized-url/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div;
 

test/js/samples/inline-style-optimized/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div;
 

test/js/samples/inline-style-unoptimized/expected-bundle.js

@@ -186,6 +186,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div, text, div_1, div_1_style_value;
 

test/js/samples/input-without-blowback-guard/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var input;
 

test/js/samples/legacy-default/expected-bundle.js

@@ -204,6 +204,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var text, p, text_1, text_2, text_3, slot_content_default = component._slotted["default"], slot_content_default_before, slot_content_default_after;
 

test/js/samples/legacy-input-type/expected-bundle.js

@@ -188,6 +188,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var input;
 

test/js/samples/legacy-quote-class/expected-bundle.js

@@ -205,6 +205,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div;
 

test/js/samples/media-bindings/expected-bundle.js

@@ -198,6 +198,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var audio, audio_is_paused = true, audio_updating = false, audio_animationframe;
 

test/js/samples/non-imported-component/expected-bundle.js

@@ -184,6 +184,9 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
+
+
 function create_main_fragment(component, state) {
 	var text;
 

test/js/samples/onrender-onteardown-rewritten/expected-bundle.js

@@ -170,10 +170,9 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
-function oncreate() {}
 
+function oncreate() {}
 function ondestroy() {}
-
 function create_main_fragment(component, state) {
 
 	return {

test/js/samples/setup-method/expected-bundle.js

@@ -170,6 +170,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 var methods = {
 	foo ( bar ) {
 		console.log( bar );

test/js/samples/ssr-no-oncreate-etc/expected-bundle.js

@@ -1,9 +1,7 @@
 function preload(input) {
 	return output;
 }
-
 var SvelteComponent = {};
-
 SvelteComponent.data = function() {
 	return {};
 };

test/js/samples/svg-title/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var svg, title, text;
 

test/js/samples/title/expected-bundle.js

@@ -170,6 +170,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var title_value;
 

test/js/samples/use-elements-as-anchors/expected-bundle.js

@@ -194,6 +194,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var div, text, p, text_2, text_3, text_4, p_1, text_6, text_8, if_block_4_anchor;
 

test/js/samples/window-binding-scroll/expected-bundle.js

@@ -190,6 +190,7 @@ var proto = {
 };
 
 /* generated by Svelte vX.Y.Z */
+
 function create_main_fragment(component, state) {
 	var window_updating = false, clear_window_updating = function() { window_updating = false; }, window_updating_timeout, p, text, text_1;
 

test/runtime/samples/if-in-keyed-each/_config.js

@@ -0,0 +1,15 @@
+export default {
+	data: {
+		items: [
+			{ id: 1, name: 'one' },
+			{ id: 2, name: 'two' }
+		]
+	},
+
+	html: `
+		<ul>
+			<li>one</li>
+			<li>two</li>
+		</ul>
+	`
+};

test/runtime/samples/if-in-keyed-each/main.html

@@ -0,0 +1,7 @@
+<ul>
+	{{#each items as item @id}}
+		{{#if item.id}}
+			<li>{{item.name}}</li>
+		{{/if}}
+	{{/each}}
+</ul>