Canonical links

Replace twitter redirection url (http://t.co/...) by the real URLs as to improve privacy.
目前為 2015-05-14 提交的版本，檢視最新版本。
安裝腳本 ?
Wrap lines
// ==UserScript==
// @name        Canonical links
// @description Replace twitter redirection url (http://t.co/...) by the real URLs as to improve privacy. 
// @author      Guillaume
// @namespace   https://gf.qytechs.cn/fr/users/11386-guillaume
// @include     https://twitter.com/*
// @version     1.0
// @grant       none
// @run-at      document-start
// @license     CC by-sa http://creativecommons.org/licenses/by-sa/3.0/
// ==/UserScript==

// Credits:
//
// - getVisibleText, and textContentVisible
//   This is derived from a work by Ethan Brown.
//   Original license: cc-by sa
//   Source: http://stackoverflow.com/questions/19985306/get-the-innertext-of-an-element-but-exclude-hidden-children

function getVisibleText( node )
{
  if ( node.nodeType === 1 ) // Element
  {
    var rect = node.getBoundingClientRect();
    if ( rect.width === 0 || rect.height === 0 )
      return '';
  }
  else if ( node.nodeType === 3 ) // Text
  {
    return node.textContent;
  }
  var text = '';
  for( var i = 0; i < node.childNodes.length; i++ ) 
    text += getVisibleText( node.childNodes[i] );
  return text;
}

if ( ! Node.prototype.hasOwnProperty('textContentVisible') )
{
  Object.defineProperty(Node.prototype, 'textContentVisible', {
      get: function() { 
         return getVisibleText( this );
      }, 
      enumerable: true
  });
}

var makeLinkCanonical = function(el)
{
  var text = document.createTextNode(el.textContentVisible);
  var url = el.dataset.expandedUrl;
  
  var newLink = document.createElement('a');
  newLink.href = url;
  newLink.title = el.title;
  newLink.className = el.className;
  newLink.dir = el.dir;
  newLink.appendChild(text);
  
  el.parentNode.replaceChild(newLink, el);
};

window.addEventListener("load", function(ev) {
  // unshadow for better debugging
  delete console.log;
}, true);

document.addEventListener("load", function(ev) {
  [].slice.call(document.querySelectorAll('a[data-expanded-url]')).forEach(makeLinkCanonical);
}, true);
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