Move images from a folder to subfolders named after each filename

script.js

var fs    = require('fs'),
	path  = require('path');

var mkdirSync = function (path) {
	try {
		fs.mkdirSync(path);
	} catch(e) {
		if ( e.code != 'EEXIST' ) throw e;
	}
}

fs.readdir(__dirname, function (error, files) {
	for (var i = 0; i < files.length; i++) {

		var file = files[i];

		// check if file is a png
		if (path.extname(file) == ".png") {


			var filename = file.substr(0, file.indexOf("."));

			console.log("rename " + file + " to " + filename + "/" + "mockup.png")

			// create folder based on file name
			mkdirSync(filename);

			// move the image to the new folder and rename it
			fs.rename(file, filename + "/" + "mockup.png")
		}
	}
})