text: /**
   * Copyright 2016 Google Inc. All rights reserved.
   *
   * 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.
   */
  
  'use strict';
  
  class ManifestStartUrl {
  
    static get tags() {
      return ['Manifest'];
    }
  
    static get description() {
      return 'Contains start_url';
    }
  
    static audit(inputs) {
      let hasStartUrl = false;
      const manifest = inputs.manifest;
  
      if (manifest) {
        hasStartUrl = (!!manifest.start_url.value);
      }
  
      return {
        value: hasStartUrl,
        tags: ManifestStartUrl.tags,
        description: ManifestStartUrl.description
      };
    }
  }
  
  module.exports = ManifestStartUrl;
  