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Duck Hide Sites

Hide specific sites from DuckDuckGo search results

  1. // ==UserScript==
  2. // @name        Duck Hide Sites
  3. // @namespace   IzzySoft
  4. // @description Hide specific sites from DuckDuckGo search results
  5. // @include     https://duckduckgo.com/*
  6. // @include     http://duckduckgo.com/*
  7. // @version     1
  8. // @grant       none
  9. // ==/UserScript==
  10. // For our eventListener, FF complains "Use of Mutation Events is deprecated. Use MutationObserver instead." So alternatively:
  11. // For Ajax reloads (paging), see solution at [Fire Greasemonkey script on AJAX request](http://stackoverflow.com/q/8281441/2533433)
  12. // and [waitForKeyElements](https://greasyfork.org/en/scripts/6250-waitforkeyelements) (JQuery required)
  13.  
  14. var unwanted = ['experts-exchange.com'];
  15. var unwantedWild = [];
  16. var debug = false;
  17.  
  18. function getElementsByXpath(path, doc=document, ptype=XPathResult.ORDERED_NODE_SNAPSHOT_TYPE) {
  19.   return document.evaluate(path,doc,null,ptype,null)
  20. }
  21. function dlog(msg) {
  22.   if (debug) console.log(msg);
  23. }
  24.  
  25. function hideResults() {
  26.   var res = getElementsByXpath('//div[contains(@class,"results_links_deep")]',document);
  27.   if (res.snapshotLength > 0) for ( i=0; i < res.snapshotLength; i++ ) {
  28.     var link = getElementsByXpath('//a[@class="result__a"]',res.snapshotItem(i));
  29.     if (link.snapshotLength>0) {
  30.       if ( unwanted.indexOf(link.snapshotItem(i).hostname) > -1 ) {
  31.         dlog('Removed result for: '+link.snapshotItem(i).hostname + ' ('+link.snapshotItem(i).getAttribute('href')+')');
  32.         res.snapshotItem(i).style.display = 'none';
  33.       }
  34.       if (unwantedWild.length>0) for (var wild in unwantedWild) {
  35.         var reg = new RegExp(unwantedWild[wild],'i');
  36.         if ( link.snapshotItem(i).hostname.match(reg) ) {
  37.           dlog('Removed wild result ('+unwantedWild[wild]+') for: '+link.snapshotItem(i).hostname + ' ('+link.snapshotItem(i).getAttribute('href')+')');
  38.           res.snapshotItem(i).style.display = 'none';
  39.         }
  40.       }
  41.     }
  42.   }
  43. }
  44.  
  45. //window.addEventListener('load', hideResults, false); // only run when page is loaded completely
  46. document.addEventListener("DOMNodeInserted", hideResults, false); // Works on initial and additional (paged) results, as both are loaded via Ajax