title: How to hide .js and .map files in WebStorm while working on Angular2-typescript project
body: <p>I tried adding the extensions to <code>.gitignore</code> but the result is as below:</p>
  
  <p><a href="https://i.stack.imgur.com/0K6x5.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0K6x5.png" alt="webstorm file explorer"></a></p>
  
  <p>The files are not completely hidden.</p>