MagicMirror/js/class.js

/* Simple JavaScript Inheritance
 * By John Resig http://ejohn.org/
 * MIT Licensed.
 */

// Inspired by base2 and Prototype
(function () {
	var initializing = false;
	var fnTest = /xyz/.test(function () { xyz; }) ? /\b_super\b/ : /.*/;

	// The base Class implementation (does nothing)
	this.Class = function () { };

	// Create a new Class that inherits from this class
	Class.extend = function (prop) {
		var _super = this.prototype;

		// Instantiate a base class (but only create the instance,
		// don't run the init constructor)
		initializing = true;
		var prototype = new this();
		initializing = false;

		// Make a copy of all prototype properies, to prevent reference issues.
		for (var name in prototype) {
			prototype[name] = cloneObject(prototype[name]);
		}

		// Copy the properties over onto the new prototype
		for (var name in prop) {
			// Check if we're overwriting an existing function
			prototype[name] = typeof prop[name] == "function" &&
				typeof _super[name] == "function" && fnTest.test(prop[name]) ? (function (name, fn) {
					return function () {
						var tmp = this._super;

						// Add a new ._super() method that is the same method
						// but on the super-class
						this._super = _super[name];

						// The method only need to be bound temporarily, so we
						// remove it when we're done executing
						var ret = fn.apply(this, arguments);
						this._super = tmp;


						return ret;
					};
				})(name, prop[name]) : prop[name];
		}

		// The dummy class constructor
		function Class() {
			// All construction is actually done in the init method
			if (!initializing && this.init) {
				this.init.apply(this, arguments);
			}
		}

		// Populate our constructed prototype object
		Class.prototype = prototype;

		// Enforce the constructor to be what we expect
		Class.prototype.constructor = Class;

		// And make this class extendable
		Class.extend = arguments.callee;

		return Class;
	};
})();

//Define the clone method for later use.
//Helper Method
function cloneObject(obj) {
	if (obj === null || typeof obj !== "object") {
		return obj;
	}

	var temp = obj.constructor(); // give temp the original obj's constructor
	for (var key in obj) {
		temp[key] = cloneObject(obj[key]);

		if (key === "lockStrings") {
			Log.log(key);
		}
	}

	return temp;
}

/*************** DO NOT EDIT THE LINE BELOW ***************/
if (typeof module !== "undefined") { module.exports = Class; }