Merge pull request #1199 from sveltejs/gh-1195

Fix select_block_type scoping issue

src/generators/nodes/IfBlock.ts

@@ -313,15 +313,12 @@ function compound(
 	const current_block_type = block.getUniqueName(`current_block_type`);
 	const current_block_type_and = hasElse ? '' : `${current_block_type} && `;
 
-	generator.blocks.push(deindent`
+	block.builders.init.addBlock(deindent`
 		function ${select_block_type}(state) {
 			${branches
 				.map(({ condition, block }) => `${condition ? `if (${condition}) ` : ''}return ${block};`)
 				.join('\n')}
 		}
-	`);
-
-	block.builders.init.addBlock(deindent`
 		var ${current_block_type} = ${select_block_type}(state);
 		var ${name} = ${current_block_type_and}${current_block_type}(#component, state);
 	`);

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

@@ -189,6 +189,10 @@ var proto = {
 function create_main_fragment(component, state) {
 	var if_block_anchor;
 
+	function select_block_type(state) {
+		if (state.foo) return create_if_block;
+		return create_if_block_1;
+	}
 	var current_block_type = select_block_type(state);
 	var if_block = current_block_type(component, state);
 
@@ -268,11 +272,6 @@ function create_if_block_1(component, state) {
 	};
 }
 
-function select_block_type(state) {
-	if (state.foo) return create_if_block;
-	return create_if_block_1;
-}
-
 function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign({}, options.data);

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

@@ -4,6 +4,10 @@ import { assign, createComment, createElement, detachNode, init, insertNode, noo
 function create_main_fragment(component, state) {
 	var if_block_anchor;
 
+	function select_block_type(state) {
+		if (state.foo) return create_if_block;
+		return create_if_block_1;
+	}
 	var current_block_type = select_block_type(state);
 	var if_block = current_block_type(component, state);
 
@@ -83,11 +87,6 @@ function create_if_block_1(component, state) {
 	};
 }
 
-function select_block_type(state) {
-	if (state.foo) return create_if_block;
-	return create_if_block_1;
-}
-
 function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign({}, options.data);

test/runtime/samples/if-block-else-in-each/_config.js

@@ -0,0 +1,9 @@
+export default {
+	data: {
+		array: [true, false],
+	},
+	html: `
+		<div>foo</div>
+		<div>bar</div>
+	`,
+};

test/runtime/samples/if-block-else-in-each/main.html

@@ -0,0 +1,7 @@
+{{#each array as item}}
+	{{#if item}}
+		<div>foo</div>
+	{{else}}
+		<div>bar</div>
+	{{/if}}
+{{/each}}