User defined vimperator command for opening a link on the twitter timeline in the new tab

open-twitter-link.js

(function () {

  function contains(clazz) {
    return 'contains(concat(" ", normalize-space(@class), " "), " ' + clazz + ' ")';
  }

  mappings.addUserMap(
    [modes.NORMAL],
    ['v'],
    'Open links contained in a selected tweat',
    function openTwitterTimelineLink() {
      let expr = '//li[' + contains('selected-stream-item') + ']' +
        '//p[' + contains('tweet-text') + ']' +
        '/a[' + contains('twitter-timeline-link') + ']';
      let links = util.evaluateXPath(expr, content.document);
      if (links.snapshotLength > 0) {
        let urls = [];
        for (let i = 0; i < links.snapshotLength; i++) {
          urls.push(links.snapshotItem(i));
        }
        liberator.open(urls, liberator.NEW_TAB);
      }
    },
    {
      noremap: true,
      matchingUrls: /^https:\/\/twitter\.com/,
    }
  );

})();