Mock repository implementation using in memory data with $q/$timeout

DonutRepositoryInMemoryMock.js

var donutModule = angular.module('donuts', []);

donutModule.service('donutRepository', ['$q', '$timeout', function($q, $timeout) {
  // get some donuts based on user requirements
  this.fetchDonuts(size, filling, glaze, hasHole) {
    var deferred = $q.defer();
    // return abitrary data after 500ms delay to simulate server call
    $timeout(function() {
      // sorry bro, we're sold out
      deferred.resolve([]);
    }, 500);
    
    return deferred.promise;
  };
}]);