MediaWiki:Common.js

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/**
 * Collapsible Sidebar (Debug Build) - Patched for Vector & Vector 2022
 * Logs everything to console for verification
 */

/*

(function () {
  window.MWSidebarDebug = true;

  function log() {
    if (window.MWSidebarDebug) console.log('[SidebarCollapsible]', ...arguments);
  }
  function warn() {
    if (window.MWSidebarDebug) console.warn('[SidebarCollapsible]', ...arguments);
  }

  var skin = mw.config.get('skin');
  log('Init start. Detected skin =', skin);

  function findPanels($root) {
    // Match both Vector and Vector 2022 classes
    var $panels = $root.find('#mw-panel .vector-menu-portal, #mw-panel .vector-menu.mw-portlet');
    log('Panels found:', $panels.length);
    return $panels;
  }

  function initOnce($root) {
    var $panels = findPanels($root);

    if (!$panels.length) {
      warn('No sidebar panels found using selectors for Vector/Vector-2022');
      return;
    }

    $panels.each(function (idx, el) {
      var $panel = $(el);
      var id = $panel.attr('id') || ('panel#' + idx);
      var $list = $panel.find('> .vector-menu-content > .vector-menu-content-list, > .body > ul').first();

      if (!$list.length) {
        warn('No list in panel:', id);
        return;
      }

      var $items = $list.children('li');
      log('Panel', id, ':', $items.length, 'top-level item(s)');

      $items.each(function (i, li) {
        var $li = $(li);
        var $sub = $li.children('ul');
        if (!$sub.length) return;

        $li.addClass('collapsible-header');
        if (!$li.children('.mw-collapsible-arrow').length) {
          $li.prepend($('<span class="mw-collapsible-arrow" aria-hidden="true">▶</span>'));
        }
        $sub.hide();

        var headerText = ($li.find('> a').first().text() || '').trim();
        log('Registered collapsible item', i, 'in', id, 'header=', headerText);

        $li.off('.mwCollapsibleSidebar')
          .on('click.mwCollapsibleSidebar', function (e) {
            if ($(e.target).closest('a').length) return;
            e.preventDefault();
            $li.toggleClass('open');
            $sub.stop(true, true).slideToggle(200);
            log('Toggled', $li.hasClass('open') ? 'open' : 'closed', ':', headerText);
          });
      });
    });
  }

  mw.loader.using('mediawiki.util').then(function () {
    $(function () {
      console.group && console.group('[SidebarCollapsible] bootstrap');
      initOnce($(document));
      console.groupEnd && console.groupEnd();
    });
    mw.hook('wikipage.content').add(function ($c) {
      log('wikipage.content hook fired (re-init on dynamic content).');
      initOnce($c);
    });
  });

*/
})();