# all files / lighthouse-core/driver/gatherers/ html-without-javascript.js

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     /**
     * @license
     * 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';

    /* Note that this returns the innerText of the <body> element, not the HTML. */

    const HTML = require('./html');

    /* global document, __returnResults */

    /* istanbul ignore next */
    function getBodyText() {
      // note: we use innerText, not textContent, because textContent includes the content of <script> elements!
      const body = document.querySelector('body');
      // __returnResults is magically inserted by driver.evaluateAsync
      __returnResults(body ? body.innerText : '');
    }

    class HTMLWithoutJavaScript extends HTML {

      beforePass(options) {
        options.disableJavaScript = true;
      }

      afterPass(options) {
        // Reset the JS disable.
        options.disableJavaScript = false;

        const driver = options.driver;

        this.artifact = {};
        return driver.evaluateAsync(`(${getBodyText.toString()}())`)
        .then(result => {
          this.artifact = result;
        })
        .catch(_ => {
          this.artifact = {
            value: -1,
            debugString: 'Unable to get document body innerText'
          };
        });
      }
    }

    module.exports = HTMLWithoutJavaScript;