title: NPM deprecated package makes install fail
body: <p>I am struggling to understand why trying to run a <code>npm install</code> fails when one of the packages in the list is deprecated. A warning shouldn't make the command fail, shouldn't it?</p>
  
  <p><a href="https://i.stack.imgur.com/JoQ4L.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JoQ4L.png" alt="enter image description here"></a></p>