text:   /**
     * Angular Mds initialization function that validates environment
     * requirements.
     */
    angular.module('material.core', [] )
      .run(function validateEnvironment() {
  
        if (typeof Hammer === 'undefined') {
          throw new Error(
            'ngMaterial requires HammerJS to be preloaded.'
          );
        }
  
      });
  
  
  
  
  