tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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TwitterPageData.sys.mjs (1168B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 /**
      6 * Collects Twitter card (https://developer.twitter.com/en/docs/twitter-for-websites/)
      7 * related data from a page.
      8 */
      9 export const TwitterPageData = {
     10  /**
     11   * Collects the twitter data from the page.
     12   *
     13   * @param {Document} document
     14   *   The document to collect from
     15   *
     16   * @returns {PageData}
     17   */
     18  collect(document) {
     19    let pageData = {};
     20 
     21    let twitterTags = document.querySelectorAll("meta[name^='twitter:'");
     22 
     23    for (let tag of twitterTags) {
     24      // Strip "twitter:" from the property name.
     25      let propertyName = tag.getAttribute("name").substring(8);
     26 
     27      switch (propertyName) {
     28        case "site":
     29          pageData.siteName = tag.getAttribute("content");
     30          break;
     31        case "description":
     32          pageData.description = tag.getAttribute("content");
     33          break;
     34        case "image":
     35          pageData.image = tag.getAttribute("content");
     36          break;
     37      }
     38    }
     39 
     40    return pageData;
     41  },
     42 };