AlchemyCMS/alchemy_cms

<%% cache [node, @page, Alchemy::Current.preview_page?] do %>
  <%%= content_tag :li, class: ['nav-item', node.children.any? ? 'dropdown' : nil].compact do %>
    <%%= link_to_if node.url,
      node.name,
      Alchemy::Current.preview_page? ? 'javascript: void(0)' : node.url,
      class: ['nav-link', current_page?(node.url) ? 'active' : nil].compact,
      title: node.title,
      target: node.external? ? '_blank' : nil,
      rel: node.nofollow? ? 'nofollow' : nil %>
    <%% if node.children.any? %>
      <ul class="dropdown-menu">
        <%%= render node.children.includes(:page, :children), as: 'node' %>
      </ul>
    <%% end %>
  <%% end %>
<%% end %>