Save iOS Retina images

SaveIosRetinaImages.jsx

/**
* Remixer 1: @herkulano (http://www.herkulano.com)
* Remixer 2: @hotappsfactory (http://www.hotappsfactory.com)
* Thanks to: Niels Bosma (niels.bosma@motorola.com)
*/

var folder = Folder.selectDialog();
var document = app.activeDocument;
var suffix = "";

//if (document && folder) {
//	suffix = prompt("Prefix", "") || "";
//}

if (document && folder) {
	var documentName = document.name.replace(".ai","");
	
	saveToRes(100, documentName, "");
	saveToRes(200, documentName, "@2x");	
	saveToRes(300, documentName, "@3x");	
}

/**
* Scale and export file suffixed by densitySuffix
*/
function saveToRes(scaleTo, preffix, densitySuffix) {
	var i, ab, file, options;
		
	var myFolder = new Folder(folder.absoluteURI);
	
	for (i = document.artboards.length - 1; i >= 0; i--) {
		document.artboards.setActiveArtboardIndex(i);
		ab = document.artboards[i];
		
		var fileName = preffix + /* ab.name + */ suffix;
		
	
		file = new File(myFolder.fsName + "/" + fileName + densitySuffix + ".png");
		
		options = new ExportOptionsPNG24();
		options.antiAliasing = true;
		options.transparency = true;
		options.artBoardClipping = true;
		options.verticalScale = scaleTo;
		options.horizontalScale = scaleTo;
		
		document.exportFile(file, ExportType.PNG24, options);
	}
}