https://cpq.gefran.com/store/_ui/shared/js/analyticsmediator.js

1var mediator = (function() {
2	var subscribe = function(tracker, fn) {
3			if (!mediator.trackers[tracker])
4			{
5				mediator.trackers[tracker] = [];
6			}
7			mediator.trackers[tracker].push({context: this, callback: fn});
8			return this;
9		},
10
11		publish = function(tracker) {
12			if (!mediator.trackers[tracker])
13			{
14				return false;
15			}
16			var args = Array.prototype.slice.call(arguments, 1);
17			for (var i = 0, l = mediator.trackers[tracker].length; i < l; i++)
18			{
19				var subscription = mediator.trackers[tracker][i];
20				subscription.callback.apply(subscription.context, args);
21			}
22			return this;
23		},
24
25		publishAll = function() {
26			if (Object.keys(mediator.trackers).length === 0)
27			{
28				return false;
29			}
30			for (var tracker in mediator.trackers)
31			{
32				var args = [tracker].concat(Array.prototype.slice.call(arguments));
33				mediator.publish.apply(this, args);
34			}
35			return this;
36		};
37
38	return {
39		trackers: {},
40		publish: publish,
41		publishAll: publishAll,
42		subscribe: subscribe
43	}
44})()