typescript 33 observer 27 javascript 19 react 15 state-management 14 observable 14 event 11 event-emitter 11 events 11 reactjs 9 rxjs 9 async 9 event-driven 8 state 8 pubsub 7 reactive 7 observe 7 bloc 6 bloc-pattern 6 event-handling 5 pattern 5 pub-sub 5 lightweight 5 event-dispatcher 4 nodejs 4 hooks 4 type-safe 4 declarative 4 reactive-programming 4 signal 4 subscription 4 listener 3 framework-agnostic 3 publisher-subscriber 3 subscribe 3 asynchronous 3 browser 3 callback 3 listeners 3 react-hooks 3 event-management 3 emitter 3 proxy 3 vue 3 react-observing 2 eventemitter 2 vue3 2 publisher-subscriber-pattern 2 hook 2 observing 2 observer pattern 2 signals 2 listen 2 eventbus 2 subscriptions 2 event-bus 2 svelte 2 dom-events 2 event-system 2 front-end 2 bus 2 fast 2 store 2 Typescript 2 minimal 2 node 2 recoil 2 strongly-typed 2 observers 2 event-manager 2 vanilla-js 2 decorators 2 command-pattern 2 observables 2 object.observe 2 changes 2 observable-pattern 2 event-listener 2 C 2 G 2 object observe 2 graph 2 tree 2 deep 2 array 2 Y 2 atomic-changes 2 object 2 mutations-supported 2 object-observer 2 J 2 state management 2 immutable 1 cdn 1 commonjs 1 esm 1 react-state 1 universal 1 easy-to-use 1 stateless 1