Function syncSidebarActiveState

assets/article-cards.js:329–352

(sidebar, route, locale)

  }

  function syncSidebarActiveState(sidebar, route, locale) {
    var activeHref = getActiveSidebarHref(route, locale);

    Array.from(sidebar.querySelectorAll('li.active')).forEach(function (item) {
      item.classList.remove('active');
    });

    if (!activeHref) {
      return;
    }

    Array.from(sidebar.querySelectorAll('a[href]')).forEach(function (link) {
      if (normalizeHashHref(link.getAttribute('href') || '') !== activeHref) {
        return;
      }

      var item = link.closest('li');

      while (item && sidebar.contains(item)) {
        item.classList.add('active');
        item = item.parentElement ? item.parentElement.closest('li') : null;
      }
    });
  }

  function getActiveSidebarHref(route, locale) {
    var normalizedRoute = normalizeRoute(route);