text: /*
   * Copyright 2016 The Closure Compiler Authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  'require es6/reflect/apply';
  'require util/polyfill';
  
  
  $jscomp.polyfill('Reflect.construct', function(orig) {
    if (orig) return orig;
  
    /**
     * Polyfill for Reflect.construct() method:
     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/construct
     *
     * Calls a constructor as with the 'new' operator.
     * TODO(sdh): how to type 'target' with (new: TARGET) if opt_newTarget missing?
     *
     * @param {function(new: ?, ...?)} target The constructor to call.
     * @param {!Array} argList The arguments as a list.
     * @param {function(new: TARGET, ...?)=} opt_newTarget The constructor to instantiate.
     * @return {TARGET} The result of the function call.
     * @template TARGET
     */
    var polyfill = function(target, argList, opt_newTarget) {
      // if (arguments.length < 3 || opt_newTarget == target) {
      //   return new target(...argList);
      // }
      if (opt_newTarget === undefined) opt_newTarget = target;
      var proto = opt_newTarget.prototype || Object.prototype;
      var obj = Object.create(proto);
      var out = Reflect.apply(target, obj, argList);
      return out || obj;
    };
    return polyfill;
  }, 'es6', 'es5'); // ES5: Requires Object.create
  