title: I had created a package npm for test and i can't retrieve the params of my function after install it
body: <p>[enter image description here][1]</p>
  <pre><code>import {addTwo} from 'testrol';
  console.log(addTwo('2'));
  addTwo(2);
  
  **i publish a npm package for test before publish our packages. When i install it (testrol), i can't see the params of my function when my mouse over**
  </code></pre>