ensemble

ensemble

Event listener orchestration. Makes it easy to bulk unbind listeners that were set withing a context. This is especially useful for unmounting listeners in React's componentWillUnmount lifecycle event.

Installation

$ npm i --save ensemble

Overview

var Emitter = require('events').EventEmitter;
var ensemble = require('ensemble');

/**
 * Wrap an event emitter.
 */

var emitter = ensemble(new Emitter);

/**
 * Attach listeners to the emitter.
 */

emitter.on('foo', function() {});

/**
 * Remove all listeners registered
 * in the wrapper from the emitter.
 */

emitter.removeListeners()

API

var emitter = ensemble(Emitter)

Wrap an event emitter in an ensemble object.

var Emitter = require('events').EventEmitter;
var ensemble = require('ensemble');

var myEmitter = ensemble(new Emitter);

.on(event, cb)

Attach an event listener to the wrapped emitter. Behaves identical to Node's built in listener function.

myEmitter.on('some_event', function(val) {
  console.log(val);
});

.removeListeners()

Remove all listeners that were attached within this context to the emitter.

myEmitter.removeListeners();

License

MIT © Yoshua Wuyts