Method on

src/chibiScript/ChibiEventEmitter.ts:6–8

(eventName: ChibiEvents, listener: EventListener)

  private target: EventTarget = new EventTarget();

  public on(eventName: ChibiEvents, listener: EventListener) {
    return this.target.addEventListener(eventName, listener);
  }

  public once(eventName: ChibiEvents, listener: EventListener) {
    return this.target.addEventListener(eventName, listener, { once: true });