Mike Godfrey crudbetter
domenic
/ event-emitter.js
Last active
April 27, 2025 09:11
Revealing constructor pattern event-emitter
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| // This event emitter emits events, but reserves the right to publish events to | |
| // for its creator. It uses a WeakMap for true encapsulation. | |
| const eesToEventMaps = new WeakMap(); | |
| export default class EventEmitter { | |
| constructor(publisher) { | |
| const eventMap = Object.create(null); | |
| eesToEventMaps.set(this, eventMap); |
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| /* | |
| * object.watch polyfill | |
| * | |
| * 2012-04-03 | |
| * | |
| * By Eli Grey, http://eligrey.com | |
| * Public Domain. | |
| * NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. | |
| */ |