pan> path.dirname(source) <span class="keyword">isnt</span> <span class="string">'node_modules'</span>
      watchDir source, base <span class="keyword">if</span> opts.watch
      fs.readdir source, (err, files) -&gt;
        <span class="keyword">throw</span> err <span class="keyword">if</span> err <span class="keyword">and</span> err.code <span class="keyword">isnt</span> <span class="string">'ENOENT'</span>
        <span class="keyword">return</span> <span class="keyword">if</span> err?.code <span class=