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Facebook - remove tracking url

Remove the tracking parameter in links

  1. // ==UserScript==
  2. // @name         Facebook - remove tracking url
  3. // @namespace    https://github.com/Procyon-b
  4. // @version      0.1
  5. // @description  Remove the tracking parameter in links
  6. // @author       Achernar
  7. // @match        https://*.facebook.com/*
  8. // @run-at       document-start
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function() {
  13. "use strict";
  14. var t;
  15.  
  16. function fix(u) {
  17.   return u.replace('?', '?&').replace(/&(__cft__\[0\]|__tn__)=[^&#]*/g, '').replace('?&', '?').replace(/\?$/, '');
  18. }
  19.  
  20. if (t=location.search) {
  21.   let s=fix(t);
  22.   if (s!=t) history.replaceState(null, null, (s || location.pathname)+location.hash);
  23.   }
  24.  
  25. function fixL(L) {
  26.   let i=0, a, j=0;
  27.   for (;a=L[j];j++) {
  28.     if (a.LnkFixed || !a.href) continue;
  29.     if (a.protocol && a.protocol.startsWith('http') && a.host.includes('facebook.com') && a.search) {
  30.       let s=fix(a.search);
  31.       if (a.search != s) a.search=s;
  32.       }
  33.     a.LnkFixed=1;
  34.     }
  35.   }
  36.  
  37. function init() {
  38.   new MutationObserver(function(mutL){
  39.     for (let m of mutL) {
  40.       if (m.addedNodes) {
  41.         let e=m.target.querySelectorAll(':scope a');
  42.         if (e.length) fixL(e);
  43.         }
  44.       }
  45.     }).observe(document, {childList:true, subtree:true});
  46.  
  47.   fixL(document.links);
  48.   }
  49.  
  50. window.addEventListener('load', function(){fixL(document.links)});
  51. if (document.readyState != 'loading') init();
  52. else document.addEventListener('DOMContentLoaded', init);
  53.  
  54. })();