Tracking changes to application state & translating to DOM changes is nothing new, [1] it's what Angular, Angular2, Riot, Knockout all do, and doomed to efficiently translating any complex state changes. [2] Not only that, feeding application state in from an API will cause the all the dependent UI to completely rerender.
[1] https://github.com/sapeien/simulacra/blob/master/lib/bind_ke... [2] https://news.ycombinator.com/item?id=12757722