title: Is @types/fingerprintjs2 broken ? (used with angular 5)
body: <p>I tried:</p>
  
  <ul>
  <li><code>ng new test</code> (Angular cli at version 1.7.4)</li>
  <li><code>npm i -S fingerprintjs2</code> (same result with <code>npm i -S fingerprintjs2@1.5</code>)</li>
  <li><code>npm install -D @types/fingerprintjs2</code></li>
  <li>added <code>../node_modules/fingerprintjs2/fingerprint2.js</code> in the script section of <code>.angular-cli.json</code></li>
  </ul>
  
  <p>And I cannot use fingerprintjs2 types is there a way to fix the type or should I declare fingerprintjs2 manually?</p>