Fucking around

wtf.js

(function () {
		
			// Extends the base Object with data getter/setter and event target
		
			var proto = Object.prototype;
		
			proto._data = {};
			proto._listeners = {};
			
			proto.set = function (key, value) {
				var old = this.get(key);
				this._data[key] = value;
				this.dispatchEvent({
					type: "data_updated"
				});
			};
			
			proto.setBatch = function (data) {
				for (var key in data) {
					this._data[key] = data[key];
				}
				this.dispatchEvent({
					type: "data_updated"
				});
			};
			
			proto.get = function (key) {
				return this._data[key];
			};
			
			proto.getAll = function () {
				return this._data;
			};
		
			proto.addEventListener = function (type, fn) {
				if (!this._listeners[type]) {
					this._listeners[type] = [];
				}
				this._listeners[type].push(fn);
			};

			proto.dispatchEvent = function (e) {
				e.target = this;
				if (this._listeners[e.type]) {
					this._listeners[e.type].forEach(function (listener, key) {
						listener(e);
					});
				}
			};
		
			proto.save = function () {
				return JSON.stringify(this._data);
			};
			
			proto.load = function (json) {
				var data = JSON.parse(json);
				this.setBatch(data);
				this.dispatchEvent({
					type: "data_loaded"
				});
			};
		
		}());
		
		var Vector2 = function (x, y) {
			this.setBatch({
				x: x,
				y: y
			});
		};
		
		var v = new Vector2(2, 3);
		
		console.log(v.get("y"));