Spread widget properties in vdom (#717)

* spread widget properties in vdom

* fix test name

src/core/vdom.ts

@@ -2064,7 +2064,7 @@ export function renderer(renderer: () => RenderResult): Renderer {
 
 		let rendered: RenderResult;
 		let invalidate: () => void;
-		next.properties = next.node.properties;
+		next.properties = { ...next.node.properties };
 		next.id = next.id || `${wrapperId++}`;
 		_idToWrapperMap.set(next.id, next);
 		const { id, depth, order } = next;
@@ -2175,7 +2175,7 @@ export function renderer(renderer: () => RenderResult): Renderer {
 		next.hasAnimations = hasAnimations;
 		next.id = id;
 		next.childDomWrapperId = current.childDomWrapperId;
-		next.properties = next.node.properties;
+		next.properties = { ...next.node.properties };
 		_wrapperSiblingMap.delete(current);
 		if (domNode && domNode.parentNode) {
 			next.domNode = domNode;

tests/core/unit/vdom.tsx

@@ -3487,6 +3487,35 @@ jsdomDescribe('vdom', () => {
 				});
 			});
 
+			it('should clone properties', () => {
+				const factory = create().properties<{ count: number }>();
+				const Foo = factory(function Foo({ properties }) {
+					return <div>{`${properties().count}`}</div>;
+				});
+				const properties: any = { count: 0 };
+				const App = create({ invalidator })(function App({ middleware: { invalidator } }) {
+					return (
+						<div>
+							<button
+								onclick={() => {
+									invalidator();
+								}}
+							/>
+							{w(Foo, properties)}
+						</div>
+					);
+				});
+				const root = document.createElement('div');
+				const r = renderer(() => App({}));
+				r.mount({ domNode: root });
+				console.log(root.innerHTML);
+				assert.strictEqual(root.innerHTML, '<div><button></button><div>0</div></div>');
+				properties.count = 1;
+				(root.children[0].children[0] as any).click();
+				resolvers.resolveRAF();
+				assert.strictEqual(root.innerHTML, '<div><button></button><div>1</div></div>');
+			});
+
 			it('registry items', () => {
 				const createWidget = create();
 				let resolver = () => {};