Method fireEvent

packages/base/src/EventProvider.ts:47–58

* Fires an event and returns the results of all event listeners as an array. * * @param eventName the event to fire * @param data optional data to pass to each event listener * @returns {Array} an array with the results of all event listeners

(eventName: string, data: EventListenerParam)

	 * @returns {Array} an array with the results of all event listeners
	 */
	fireEvent(eventName: string, data: EventListenerParam) {
		const eventRegistry = this._eventRegistry;
		const eventListeners = eventRegistry.get(eventName);

		if (!eventListeners) {
			return [];
		}

		return eventListeners.map(fn => {
			return fn.call(this, data);
		});
	}

	/**
	 * Fires an event and returns a promise that will resolve once all listeners have resolved.