Merge pull request #965 from sveltejs/gh-961

prevent boolean attributes breaking shapes inside estree-walker

src/generators/Generator.ts

@@ -72,15 +72,8 @@ function removeIndentation(
 // We need to tell estree-walker that it should always
 // look for an `else` block, otherwise it might get
 // the wrong idea about the shape of each/if blocks
-childKeys.EachBlock = [
-	'children',
-	'else'
-];
-
-childKeys.IfBlock = [
-	'children',
-	'else'
-];
+childKeys.EachBlock = childKeys.IfBlock = ['children', 'else'];
+childKeys.Attribute = ['value'];
 
 export default class Generator {
 	ast: Parsed;

test/runtime/samples/component-data-static-boolean-regression/Link.html

@@ -0,0 +1 @@
+<a href={{href}}>link</a>

test/runtime/samples/component-data-static-boolean-regression/_config.js

@@ -0,0 +1,3 @@
+export default {
+	html: `<a href='/cool'>link</a>`
+};

test/runtime/samples/component-data-static-boolean-regression/main.html

@@ -0,0 +1,10 @@
+<Link x href="/cool"/>
+
+<script>
+	import Link from './Link.html';
+	export default {
+		components: {
+			Link
+		}
+	};
+</script>