In computing, reactive programming is a programming paradigm oriented around data flows and the propagation of change.
Wikipedia
MobX is a battle tested library that makes state management simple and scalable by transparently applying functional reactive programming.
MobX docs
Anything that can be derived from the application state, should be derived. Automatically.
MobX docs
f.strazzullo@e-xtrategy.net
@TheStrazz86
https://github.com/e-xtrategy/mobx-examples