title: Angular-cli : How to ignore class names from being minified
body: <p>For an application we need to keep the classname not minified because we use</p>
  
  <pre><code>var className = myObject.constructor.name;
  export class myObject{ ... }
  </code></pre>
  
  <p>when we run</p>
  
  <p>ng build -- pro</p>
  
  <p>the class name gets minified in a random name.</p>