Edit File: Dispatcher.js
class Dispatcher { /** * Create a new Dispatcher instance. */ constructor() { this.events = {}; } /** * Listen for the given event. * * @param {string|Array} events * @param {Function} handler */ listen(events, handler) { events = [].concat(events); events.forEach(event => { this.events[event] = (this.events[event] || []).concat(handler); }); return this; } /** * Trigger all handlers for the given event. * * @param {string} event * @param {*} data */ fire(event, data) { if (!this.events[event]) return false; this.events[event].forEach(handler => handler(data)); } /** * Fetch all registered event listeners. */ all() { return this.events; } } module.exports = Dispatcher;
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