Saker.IT bookmarklet

/*************************************************************
*
* Name: Saker.IT
* Description: generate and display embed code for all videos
*              loaded in channel
* Author: Unrez
*
* To the extent possible under law, Unrez has waived all
* copyright and related or neighboring rights to Saker.IT.
*
* https://creativecommons.org/publicdomain/zero/1.0/
*
* NOTE: this only works for videos that have been
*       loaded in the browser. as you scroll up
*       more videos and posts will appear so you'll
*       need to click the bookmarklet again to fetch
*       the new embed codes. for any interested
*       developers this could be easily ported
*       to a chrome extension to execute the code
*       after each page loads or after the DOM
*       tree changes.
*
* TO CREATE BOOKMARKLET IN BRAVE:
*   1. create a new bookmark on your toolbar for any page
*   2. right click and edit the bookmark
*   3. enter Saker.IT for the name
*   4. copy/paste all the code below for the url
*   5. visit any url in browser like https://t.me/s/SPUTNIK
*   6. click the bookmarklet after page has loaded
*   7. video embed code will appear in text box below each video
*
*************************************************************/

javascript:function getEmbedCode(val) {
  return '<script async src="https://telegram.org/js/telegram-widget.js?18" data-telegram-post="' + val + '" data-width="100%"></script>';
}

function findVideos() {
  if (window.location.href.indexOf('/t.me/s/') < 0) return;
  var pnode,dtp,ta,tarea;
  var vids = document.getElementsByTagName('video');
  for (var i=0; i<vids.length; i++) {
    pnode = vids[i].parentNode;
    for (var j=0; j<3; j++) {
      if (pnode.nodeName.toLowerCase() == 'a') {
        dtp = pnode.href.match(/\/t.me\/([^?]+)/);
        if (dtp.length > 1 && dtp[1]) {
          ta = pnode.parentNode.getElementsByTagName('textarea');
          if (ta.length < 1) {
            tarea = document.createElement('textarea');
            tarea.appendChild(document.createTextNode(getEmbedCode(dtp[1])));
            tarea.style.fontSize = '10px';
            tarea.style.width = '100%';
            tarea.style.height = '35px';
            if (pnode.nextSibling) {
              pnode.parentNode.insertBefore(document.createElement('br'), pnode.nextSibling);
              pnode.parentNode.insertBefore(tarea, pnode.nextSibling);
            } else {
              pnode.parentNode.appendChild(document.createElement('br'));
              pnode.parentNode.appendChild(tarea);
            }
          }
        }
        break;
      }
      pnode = pnode.parentNode;
    }
  }
}

findVideos();