isleward/src/client/js/system/addons.js

window.addons = {
	addons: [],
	events: null,

	register: function (addon) {
		this.addons.push(addon);

		if (this.events)
			addon.init(this.events);
	},

	init: function (events) {
		this.events = events;

		this.addons.forEach(function (m) {
			m.init(this.events);
		}, this);
	}
};