added bubble unit tests

Author: k9p5

src/mixins/event.spec.ts

@@ -144,6 +144,32 @@ describe('The event mixin', () => {
 		expect(updateFn).toHaveBeenCalledTimes(1);
 		expect(errorFn).toHaveBeenCalledTimes(1);
 	});
+
+	it('should bubble events', async () => {
+		const cls0 = new TextClass();
+		const cls1 = new TextClass();
+
+		cls0.bubble(cls1);
+
+		const frameFn0 = vi.fn();
+		const frameFn1 = vi.fn();
+
+		cls0.on('update', frameFn0);
+		cls1.on('update', frameFn1);
+
+		cls0.trigger('update', 2);
+
+		expect(frameFn0).toHaveBeenCalledTimes(1);
+		expect(frameFn0.mock.calls[0][0].detail).toBe(2);
+
+		expect(frameFn1).toHaveBeenCalledTimes(1);
+		expect(frameFn1.mock.calls[0][0].detail).toBe(2);
+
+		cls1.trigger('update', 3);
+
+		expect(frameFn0).toHaveBeenCalledTimes(1);
+		expect(frameFn1).toHaveBeenCalledTimes(2);
+	});
 });
 
 type Events = {

src/mixins/event.ts

@@ -66,7 +66,7 @@ export function EventEmitterMixin<Events = {}, T extends Constructor = Construct
 
 		public bubble(target: EventEmitter) {
 			return this.on('*', (event: EmittedEvent<any, any>) => {
-				target.trigger(event.type as any, event.target);
+				target.trigger(event.type as any, event.detail);
 			});
 		}