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Automatic URL Decodeder

当前为 2018-04-05 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name Automatic URL Decodeder
  3. // @namespace https://github.com/T1mL3arn
  4. // @description:ru Декодирует все найденные на странице ссылки, похожие на "%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82%20%D0%BC%D0%B8%D1%80", в удобочитаемое "привет мир"
  5. // @description:en It decodes all cyrillic links on current page.
  6. // @match *://*/*
  7. // @version 1.0
  8. // @run-at document-end
  9. // @grant none
  10. // @license GPLv3
  11. // ==/UserScript==
  12.  
  13. let linkEreg = /(https|http|ftp|file):.+?(?=\s|$)/gi;
  14. let linkEregLocal = /(https|http|ftp|file):.+?(?=\s|$)/i;
  15. let obsOptions = { childList: true, subtree: true };
  16.  
  17. let underlineStyle = new Map([["border-bottom","2px solid currentColor"], ["margin-bottom", "-2px"]]);
  18. // set one of style from above to enable 
  19. // custom style for fixed links
  20. let changedLinkStyle = null;
  21.  
  22. let obs = new MutationObserver((changes, obs) => {
  23.   changes.forEach((change) => change.addedNodes.forEach((node) => fixLinks(node)) );
  24. });
  25. obs.observe(document.body, obsOptions);
  26.  
  27. function fixLinks(node) {
  28.   if (node.nodeType === 3) {
  29.     let content = node.textContent;
  30.     if (content && content != '') {
  31.       if (linkEregLocal.test(content)) {
  32.         if (changedLinkStyle)
  33.           replaceAndStyleLink(node);
  34.         else {
  35.           let decoded = content.replace(linkEreg, decodeURIComponent);
  36.           if(decoded.length!=content.length)
  37.             node.textContent = decoded;
  38.         }
  39.       }
  40.     }
  41.   } else if (node.childNodes && node.childNodes.length > 0) {
  42.     node.childNodes.forEach(fixLinks);
  43.   }
  44. }
  45.  
  46. function replaceAndStyleLink(node) {
  47.   let match;
  48.   let offset = 0;
  49.   let sibling = node;
  50.   let content = node.textContent;
  51.   obs.disconnect();
  52.   while ((match = linkEreg.exec(content)) != null) {
  53.     let fullMatch = match[0];
  54.     let decoded = decodeURIComponent(fullMatch);
  55.     if (decoded.length != fullMatch.length) {
  56.       let span = document.createElement('span');
  57.  
  58.       changedLinkStyle.forEach((val, key) => span.style.setProperty(key, val));
  59.       
  60.       let range = document.createRange();
  61.       range.setStart(sibling, linkEreg.lastIndex - match[0].length);
  62.       range.setEnd(sibling, linkEreg.lastIndex);
  63.       range.surroundContents(span);
  64.       
  65.       sibling = getNextTextSibling(span);
  66.       content = sibling.textContent;
  67.       span.textContent = decoded;
  68.       linkEreg.lastIndex = 0;
  69.  
  70.       if (sibling == null)
  71.         break;
  72.     }
  73.   }
  74.   obs.observe(document.body, obsOptions);
  75. }
  76.  
  77. function getNextTextSibling(node) {
  78.   let next = node.nextSibling;
  79.   while (next != null) {
  80.     if (next.nodeType == 3)
  81.       return next;
  82.     else
  83.       next = node.nextSibling;
  84.   }
  85.   return null;
  86. }
  87.  
  88. fixLinks(document.body);