Php Styled Autoloader for NodeJs

Namespace.js

/**
 * Created by Ely on 5/22/2015.
 */

require('sjljs');

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

var Namespace = sjl.Extendable.extend(function Namespace (dir, allowedFileExts) {
    var self = this,
        files = fs.readdirSync(dir);
    allowedFileExts = allowedFileExts || ['.js', '.json'];
    if (!sjl.empty(files)) {
        _processFiles(files, dir, allowedFileExts, self);
    }
});

function _processFiles (files, dir, allowedFileExts, self) {
    files.forEach(function (file) {
        if (fs.statSync(path.join(dir, file)).isDirectory()) {
            self[file] = new Namespace(path.join(dir, file));
        }
        else if (allowedFileExts.indexOf(path.extname(file)) > -1) {
            Object.defineProperty(self, file.substr(0, file.lastIndexOf('.')), {
                get: function () {
                    return require(path.join(dir, file)) }
            });
        }
        else {
            throw new Error('The file representing the requested alias is not of ' +
            'the allowed type ...'); //@todo fill this out
        }
    });
}

module.exports = Namespace;