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 util/checkstringargs util/polyfill';
  
  $jscomp.polyfill('String.prototype.repeat', function(orig) {
    if (orig) return orig;
  
    /**
     * Returns a new string repeated the given number of times.
     *
     * <p>Polyfills the instance method String.prototype.repeat().
     *
     * @this {string}
     * @param {number} copies
     * @return {string}
     */
    var polyfill = function(copies) {
      'use strict';
      var string = $jscomp.checkStringArgs(this, null, 'repeat');
      if (copies < 0 || copies > 0x4FFFFFFF) { // impose a 1GB limit
        throw new RangeError('Invalid count value');
      }
      copies = copies | 0; // cast to a signed integer.
      var result = '';
      while (copies) {
        if (copies & 1) result += string;
        if ((copies >>>= 1)) string += string;
      }
      return result;
    };
  
    return polyfill;
  }, 'es6-impl', 'es3');
  