{% set pet_extended_navigation = ENGINEERING_THEME_NAV | default((), true) %}
{% set pet_extended_links = pet_extended_navigation | selectattr('label') | selectattr('url') | list %}
{% set pet_menu = namespace(links=[]) %}
{% if not pet_extended_navigation %}
  {% for item in MENUITEMS | default((), true) %}
    {% if item | length >= 2 and item[0] and item[1] %}
      {% set pet_menu.links = pet_menu.links + [item] %}
    {% endif %}
  {% endfor %}
{% endif %}
{% if pet_extended_links or pet_menu.links %}
  <nav class="pet-navigation" aria-label="Primary">
    <ul class="pet-navigation__list">
      {% if pet_extended_navigation %}
        {% for item in pet_extended_links %}
          <li class="pet-navigation__item">
            <a href="{{ item.url | e }}"{% if item.current | default(false) %} aria-current="page"{% endif %}>{{ item.label | e }}</a>
          </li>
        {% endfor %}
      {% else %}
        {% for item in pet_menu.links %}
          <li class="pet-navigation__item"><a href="{{ item[1] | e }}">{{ item[0] | e }}</a></li>
        {% endfor %}
      {% endif %}
    </ul>
  </nav>
{% endif %}