face-recognition.js/public_html/js/lib/min/image-loader.js

var ImageLoader=function(a,b){this._wrapper=a instanceof HTMLImageElement?a:null;this._src=this.src=null;this._callback="function"!=typeof b?function(){}:b;this._process="function"!=typeof process?function(){}:process;this._loaded=!1;if(!this._wrapper)throw Error("Param 1 expected to be an HTMLImageElement (<img>), but "+a.constructor.name+" received");this.__defineSetter__("src",function(a){log("src update","[ImageLoader]");this._src=a;this._load()});this.__defineGetter__("src",function(){return this._src});
AJAX.send("./pictures/index.php",function(a){this._images=JSON.parse(a);this._loaded=!0;log("initialized","[ImageLoader]");this._callback.call(this)}.bind(this),"GET")};
ImageLoader.prototype._load=function(){if(!this._loaded)throw Error("image tree not loaded yet");if("string"!=typeof this.src)throw Error("ImageLoader.src expected to be a <String>");if("function"!=typeof this._callback)throw Error("ImageLoader.callback expected to be a <Function>");if(~this._images.indexOf(this.src))return this._wrapper.addEventListener("load",this._process.bind(this._wrapper),!1),this._wrapper.src="./pictures/"+this.src,!0;console.warn("Resource "+this.src+" not found!")};