MediaWiki:Gadget-autosort.js

< Gadgets-definition

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"use strict";

/**
 * For autosorting sortable tables
 * @example <>
 */
(function ($, mw, rs) {
  var $sortables = $('.sortable[class*="autosort="]');
  if (!$sortables.length) return;
  rs.autosort = function () {
    mw.loader.using('jquery.tablesorter', function () {
      $sortables.each(function () {
        var $this = $(this),
          matched = (' ' + $(this).attr('class') + ' ').match(/autosort=(\d+)[,-]{1}(a|d)/),
          $sortCol = $this.find('> thead th:nth-child(' + matched[1] + ')');
        if (matched[2] === 'd') {
          // descending
          $sortCol.click().click();
        } else {
          // ascending
          $sortCol.click();
        }
      });
      mw.hook('gadget.autosort.sorted').fire($sortables);
    });
  };
  mw.hook('wikipage.content').add(function init() {
    if ($('.jquery-tablesorter').length) {
      setTimeout(rs.autosort, 100);
    } else {
      // tablesorter plugin has not run yet; observe the first
      // sortable table element and wait for the plugin to add
      // the 'jquery-tablesorter' class to it
      new MutationObserver(function (muts, obs) {
        if (muts[0].target.classList.contains('jquery-tablesorter')) {
          window.rs.autosort();
          obs.disconnect();
        }
      }).observe($sortables[0], {
        attributes: true,
        attributeFilter: ['class']
      });
    }

    // only run once
    mw.hook('wikipage.content').remove(init);
  });
})(jQuery, mediaWiki, rswiki);