It started as a fork of react-native-event-listeners. Now it is rewritten with Typescript and React Hooks support.

If you use React, check out the simple yet powerful hooks and state management at react.md

API

import GlobalEvent from 'js-events-listener'
// or import { GlobalEvent } from 'js-events-listener'
// or const GlobalEvent = require('js-events-listener');

| static method | return value | description | | :------------------ | :---------------- | :------------------------------------------------------------- | | addEventListener | string | boolean | return value is the id of the event listener or false on error | | removeEventListener | boolean | true on success otherwise false | | removeAllListeners | boolean | true on success otherwise false | | emitEvent | void | no return value | | on | string | boolean | shorthand for addEventListener | | rm | boolean | shorthand for removeEventListener | | rmAll | boolean | shorthand for removeAllListeners | | emit | void | shorthand for emitEvent |

Usage

• File a.js

  import GlobalEvent from 'js-events-listener'
  export const runThis = () => {
    GlobalEvent.emit('some-event-name', { someData: 123 })
  }

• File b.js

  import GlobalEvent from 'js-events-listener'
  export const setupListenerBeforeTheEventEmitted = () => {
    GlobalEvent.on('some-event-name', data => {
      console.log(data); // { someData: 123 }
    })
  }

• File c.js

  import GlobalEvent from 'js-events-listener'
  export const setupListenerBeforeTheEventEmitted = () => {
    const eventId = GlobalEvent.on('some-event-name', data => {
      console.log(data); // { someData: 123 }
    });

    // remove listener
    GlobalEvent.rm(eventId);
  }

• File d.ts

  import GlobalEvent from 'js-events-listener'

  type PayloadData {
    someData: number,
  }

  export const setupListenerBeforeTheEventEmitted = () => {
    const eventId = GlobalEvent.on<PayloadData>('some-event-name', data => {
      console.log(data); // { someData: 123 }, as PayloadData
    });

    // remove listener
    GlobalEvent.rm(eventId);
  }