mgk.js/EventEmitter.js

epik framework for creating simple 2d games with web technologies, this package is new so 100% there might be bugs(entire package not working could also be the case) PLUSS this is open-source (can access it via github: https://github.com/helloworld190/MGK

export class EventEmitter {
  constructor() {
    this.listeners = {};
  }

  on(event, callback) {
    if (!this.listeners[event]) this.listeners[event] = [];
    this.listeners[event].push(callback);
  }

  off(event, callback) {
    if (!this.listeners[event]) return;
    this.listeners[event] = this.listeners[event].filter((cb) => cb !== callback);
  }

  emit(event, ...args) {
    if (!this.listeners[event]) return;
    for (const cb of this.listeners[event]) {
      cb(...args);
    }
  }
}