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   1  (function () {
   2    'use strict';
   3  
   4    /**
   5     * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   6     * @license    GNU General Public License version 2 or later; see LICENSE.txt
   7     */
   8    (function () {
   9      document.addEventListener('DOMContentLoaded', function () {
  10        var decodeHtmlspecialChars = function decodeHtmlspecialChars(text) {
  11          var map = {
  12            '&amp;': '&',
  13            '&#038;': '&',
  14            '&lt;': '<',
  15            '&gt;': '>',
  16            '&quot;': '"',
  17            '&#039;': "'",
  18            '&#8217;': '’',
  19            '&#8216;': '‘',
  20            '&#8211;': '–',
  21            '&#8212;': '—',
  22            '&#8230;': '…',
  23            '&#8221;': '”'
  24          };
  25          /* eslint-disable */
  26  
  27          return text.replace(/\&[\w\d\#]{2,5}\;/g, function (m) {
  28            var n = map[m];
  29            return n;
  30          });
  31        };
  32  
  33        var compare = function compare(original, changed) {
  34          var display = changed.nextElementSibling;
  35          var color = '';
  36          var pre = null;
  37          var diff = Diff.diffLines(original.innerHTML, changed.innerHTML);
  38          var fragment = document.createDocumentFragment();
  39          /* eslint-enable */
  40  
  41          diff.forEach(function (part) {
  42            if (part.added) {
  43              color = '#a6f3a6';
  44            } else if (part.removed) {
  45              color = '#f8cbcb';
  46            } else {
  47              color = '';
  48            }
  49  
  50            pre = document.createElement('pre');
  51            pre.style.backgroundColor = color;
  52            pre.className = 'diffview';
  53            pre.appendChild(document.createTextNode(decodeHtmlspecialChars(part.value)));
  54            fragment.appendChild(pre);
  55          });
  56          display.appendChild(fragment);
  57        };
  58  
  59        var diffs = [].slice.call(document.querySelectorAll('#original'));
  60  
  61        for (var i = 0, l = diffs.length; i < l; i += 1) {
  62          compare(diffs[i], diffs[i].nextElementSibling);
  63        }
  64      });
  65    })();
  66  
  67  })();