templates/include/menu/menu_header.html.twig line 1

<ul>
    {% for menuItem in menu|sort((a, b) => a.priority <=> b.priority) %}
        {% set isActive = menuItem.page and menuItem.page.lft <= page.lft and page.rgt <= menuItem.page.rgt %}

        {% if menuItem.isActive %}
            <li>
                <a href="{{ menuItem.toUrl() ? menuItem.toUrl() : 'javascript:void(0);' }}"
                   class="{{ isActive ? 'active' }}">{{ menuItem.name }}</a>
            </li>
        {% endif %}
    {% endfor %}
</ul>