just listing files

galleries.js

var listFilesIn = function (name) {
    var def = when.defer();

    fs.readdir(basePath+name, function (err, files) {
        if (err) {
            def.reject(err);
        }
        var onlyfiles = [];
        function checkIsFile(file, callback) {
//                console.log("will check file: " + file);
            fs.lstat(basePath + name + '/' + file, function(err, stats) {
                if (!err && !stats.isDirectory()) { //condition for identifying folders
                    onlyfiles.push(file);
//                        console.log('Pushed file: '+file);
                    callback();
                } else {
                    if(err){
                        console.warn("Error occured: " + err );
                    }
                }

            });
        }

        if (files) {
            async.each(files, checkIsFile, function(err){
                if (err) {
                    def.reject(err);
                }
                def.resolve(onlyfiles);
            });
        } else {
            def.reject('No files found');
        }

    });

    return def.promise;
};