You want to store your application state in a widget tree? This was the part about the old bit 'o jquery approach that drove me absolutely batshit. The logical

You want to store your application state in a widget tree? This was the part about the old bit 'o jquery approach that drove me absolutely batshit. The logical state of your UI is strewn about in Dom objects and their listeners, closures etc. There is no one place you can go to see what state is relevant to this component.