PubSubManager

PubSubManager.js

define([], function () {

	var PubSubManager = function PubSubManager() {
		this.subscribers = {};
	};

	var instance = undefined;
	PubSubManager.getInstance = function PubSubManager$getInstance() {
		if (!instance) {
			instance = new PubSubManager();
		}

		return instance;
	};

	PubSubManager.prototype.publish = function PubSubManager$publish(event, data) {
		if (this.subscribers[event]) {
			for (var i = 0, l = this.subscribers[event].length; i < l; i++) {
				var subscriber = this.subscribers[event][i];
                subscriber.apply(subscriber, [data])
			}
		}
	};

	PubSubManager.prototype.subscribe = function PubSubManager$subscribe(event, subscriber) {
		if (!this.subscribers[event]) {
			this.subscribers[event] = [];
		}

		this.subscribers[event].push(subscriber);
	};
	return PubSubManager.getInstance();
});