Edit File: MessageBag.js
export default class MessageBag { constructor() { this.bag = {} } add(name, thing) { if (! this.bag[name]) { this.bag[name] = [] } this.bag[name].push(thing) } push(name, thing) { this.add(name, thing) } first(name) { if (! this.bag[name]) return null return this.bag[name][0] } last(name) { return this.bag[name].slice(-1)[0] } get(name) { return this.bag[name] } shift(name) { return this.bag[name].shift() } call(name, ...params) { (this.listeners[name] || []).forEach(callback => { callback(...params) }) } has(name) { return Object.keys(this.listeners).includes(name) } }
Back to File Manager