MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */
$(function () {
  const key = 'catglobe-categorytree-open';

  function saveOpenNodes() {
    const openNodes = [];
    $('.CategoryTreeNode:has(.CategoryTreeToggleOpen)').each(function () {
      const title = $(this).data('ct-title');
      if (title) openNodes.push(title);
    });
    localStorage.setItem(key, JSON.stringify(openNodes));
  }

  function restoreOpenNodes() {
    const openNodes = JSON.parse(localStorage.getItem(key) || '[]');
    openNodes.forEach(function (title) {
      const toggle = $('.CategoryTreeNode[data-ct-title="' + title + '"] .CategoryTreeToggleClosed');
      if (toggle.length) {
        toggle.click();
      }
    });
  }

  // Lưu sau khi nhấn vào ▸
  $(document).on('click', '.CategoryTreeToggle', function () {
    setTimeout(saveOpenNodes, 300);
  });

  // Khôi phục khi trang load
  restoreOpenNodes();
});