title: zipdir with nodejs compression files with parent folder
body: <pre><code>zipdir('/path/to/be/zipped', { saveTo: '~/myzip.zip' }, function (err, buffer) {
    // `buffer` is the buffer of the zipped file
    // And the buffer was saved to `~/myzip.zip`
  });
  </code></pre>
  
  <p>I have try to compress folder with files but it has compressed file but when extract this file give me /* files only with out parent folder zipped/*, how can i do this process !?</p>