[JS] Wzorzec Piaskownica II

console.clear();
var cl = function(text){ console.log(text); }

Sandbox.modules = {};

Sandbox.modules.dam = function(box){
	box.getElement1 = function(){};
	box.getElement2 = function(){};
	box.getElement3 = function(){};
	box.showDamEvent = function(){
		console.log('inside dam');
	}
};

Sandbox.modules.event = function(box){
	box.constructor.prototype.m = 'mmm';
	box.attachEvent = function(){};
	box.dettachEvent = function(){};
	box.showEvent = function(){ console.log('amfa techno');};
}

function Sandbox(){
	var args = Array.prototype.slice.call(arguments),
	    callback = args.pop(),
	    i,
	    modules = (args[0] && typeof args[0] === 'string') ? args: args[0];

	if (!(this instanceof Sandbox)){
		return new Sandbox(modules, callback);
	}

	this.a = 1;
	this.b = 2;

	if (!modules || modules === '*'){
		modules = [];
		for(i in Sandbox.modules) {
			if (Sandbox.modules.hasOwnProperty(i)){
				modules.push(i);
			}
		}
	}

	for (i = 0; i < modules.length; i += 1){
		Sandbox.modules[modules[i]](this);
	}

	callback(this);
}

Sandbox.prototype = {
	name: "moja apka",
	version: '1.0'
};

Sandbox(
	['dam','event'],
	function(box){
		box.showEvent();
		box.showDamEvent();
	}
);