Event Emitter Event Emitter based on RxJS Installation npm install rxjs-event-emitter --save Usage import { EventEmitter } from "rxjs-event-emitter"; const emitter = new EventEmitter(); const subscription = emitter.on('event', (data) => { // do something}); emitter.emit('event', data); subscription.unsubscribe(); // Destory all listenersemitter.destroy();