title: How to import crypto-js in Ionic 4
body: <p>I used following npm command to install</p>
  
  <pre><code>npm install crypto-js
  </code></pre>
  
  <p>After installing i imported </p>
  
  <pre><code>import CryptoJS from 'crypto-js';
  </code></pre>
  
  <p>But i am not getting any when i type Crypto. i dont get any IntelliSense.
  I have read on some of the posts which says that i need to add</p>
  
  <pre><code>npm install --save @types/crypto-js
  </code></pre>
  
  <p>Tried that as well but then i start getting the error on import statement</p>
  
  <p>I will appreciate if someone can guide me what are the steps i need to follow to make this work.</p>