User:PrimeHunter/Source links.js

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Documentation for this user script can be added at User:PrimeHunter/Source links.

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/* This script adds "Source links" below "What links here" in the sidebar.
   "What links here" will include pages using a template with the link.
   "Source links" tries to search for pages where the link is in the source.
   To use the script, add the following line to [[Special:MyPage/common.js]]:
 
importScript('User:PrimeHunter/Source links.js'); // Linkback: [[User:PrimeHunter/Source links.js]]

*/

mw.loader.using(['mediawiki.util'], function () {
  var name = mw.config.get( 'wgPageName' ).replace("Special:WhatLinksHere/", "");
  var url;
  try {
      url = mw.util.getUrl( 'Special:Search' ) + '?trimsearch=1&profile=all&search=' +
      encodeURIComponent('linksto:"' + name + '" ' + 'insource:"' + name + '" ' +
      'insource:/\\[\\[:?[' + name[0] + name.charAt(0).toLowerCase() + ']' +
      name.substring(1).replace(/[-[\]{}()*+!<=:?.\/\\^$|#\s,]/g, '\\$&') + '[\\]\\|#]/' ).replace(/_/g, " ");
  } catch(e) {
      url = '#error'; // EXAMPLE URL: https://en.wikipedia.org/w/index.php?title=%F0%9F%91%A9%F0%9F%8F%BF&action=history
  }
  mw.util.addPortletLink(
    'p-tb',
    url,
    'Source links',
    'pt-sourcelinks',
    'What links here in the source',
    null,
    '#t-recentchangeslinked'
  );
});

/* The url generated above adds the parameter trimsearch=1 when "Source links" is clicked.
   If it's present then trim search results by hiding two classes for images and data. */
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const trimsearch = urlParams.get('trimsearch');
if (trimsearch === '1') {
  var searchimages = document.getElementsByClassName('searchResultImage-thumbnail');
  for (var i = 0; i < searchimages.length; i ++) {
    searchimages[i].style.display = 'none';
  }
  var searchdata = document.getElementsByClassName('mw-search-result-data');
  for (var i = 0; i < searchdata.length; i ++) {
    searchdata[i].style.display = 'none';
  }
}