spread on dynamic component - fixes #1307

src/generators/nodes/Component.ts

@@ -145,8 +145,10 @@ export default class Component extends Node {
 						}
 					});
 
+				block.addVariable(levels);
+
 				statements.push(deindent`
-					var ${levels} = [
+					${levels} = [
 						${initialProps.join(',\n')}
 					];
 

test/runtime/samples/spread-component-dynamic/Foo.html

@@ -0,0 +1 @@
+<p>a: {{a}}</p>

test/runtime/samples/spread-component-dynamic/_config.js

@@ -0,0 +1,21 @@
+export default {
+	data: {
+		props: {
+			a: 1,
+		},
+	},
+
+	html: `
+		<p>a: 1</p>
+	`,
+
+	test(assert, component, target) {
+		component.set({
+			props: {
+				a: 2,
+			},
+		});
+
+		assert.htmlEqual(target.innerHTML, `<p>a: 2</p>`);
+	},
+};

test/runtime/samples/spread-component-dynamic/main.html

@@ -0,0 +1,13 @@
+<:Component {Foo} {{...props}} />
+
+<script>
+	import Foo from './Foo.html';
+
+	export default {
+		data() {
+			return {
+				Foo
+			};
+		}
+	};
+</script>