title: How to use Hammer in angular universal
body: <p>Can anyone pls help me to fix hammer error</p>
  
  <pre><code>})(window, document, 'Hammer');
  ^
   ReferenceError: window is not defined
  at Object._MAP.8 (/Users/ks89/git/universal-starter/dist/server.js:126460:4)
  </code></pre>
  
  <p>in angular universal.</p>