Recursive Folder Deletion using NodeJS

gistfile1.js

FileSystemAdapter.deleteDirectory = function(path)
{
    var deferred = Q.defer();
    fs.readdir(path, function(err, files)
    {
        if(!err)
        {
            var ContentRemoved = [];
            files.forEach(function(element)
            {
                ContentRemoved.push(FileSystemAdapter.remove(path+'\\'+element));
            });
            Q.all(ContentRemoved)
                .then(function()
                {
                    fs.rmdir(path, function(err)
                    {
                        if(!err)  deferred.resolve();
                        else      deferred.reject(err);
                    });
                });
        }
        else deferred.reject(err);

    });
    return deferred.promise;
};

FileSystemAdapter.deleteFile = function(path)
{
    var deferred = Q.defer();
    fs.unlink(path, function(err)
    {
        if(!err) deferred.resolve();
        else    deferred.reject(err);
    });

    return deferred.promise;
};


FileSystemAdapter.remove = function(path)
{
    var Removed = Q.defer();

    fs.lstat(path, function(err, stats)
    {
        if(!err)
        {
            var ContentPromise = stats.isDirectory() ? FileSystemAdapter.deleteDirectory(path) : FileSystemAdapter.deleteFile(path);
            ContentPromise.then(function() { Removed.resolve(); }).fail(function(error) { Removed.reject(error) });
        }
        else Removed.reject(err);
    });

    return Removed.promise;
};