text: /**
   * @license
   * Copyright 2017 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';
  
  /**
   * @fileoverview Ensures every HTML document has a `lang` attribute.
   * See base class in axe-audit.js for audit() implementation.
   */
  
  const AxeAudit = require('./axe-audit');
  
  class ListItem extends AxeAudit {
    /**
     * @return {!AuditMeta}
     */
    static get meta() {
      return {
        category: 'Accessibility',
        name: 'listitem',
        description: 'List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements.',
        helpText: 'Screen readers require list items (`<li>`) to be contained within a ' +
            'parent `<ul>` or `<ol>` to be announced properly. ' +
            '[Learn more](https://dequeuniversity.com/rules/axe/1.1/listitem).',
        requiredArtifacts: ['Accessibility']
      };
    }
  }
  
  module.exports = ListItem;
  