Add extra functions to the $q Angular service.

q-extra.decorator.js

'use strict';

angular.module('q-extra', [])
  .config(['$provide', function($provide) {
    $provide.decorator('$q', ['$delegate', function($delegate) {
      if(angular.isUndefined($delegate.resolve)) {
        $delegate.resolve = function($q) {
          return function(val){
            var dfd = $q.defer();
            dfd.resolve(val);
            return dfd.promise;
          };
        };
      }
      return $delegate;
    }]);
  }]);