cosmopet-architecture/wp-content/themes/cosmopet-timber/views/partials/menu.twig

{% if menu %}
    <ul>
        {% for item in items %}
            <li class="{{ item.classes|join(' ') }}">
                <a target="{{ item.target }}" href="{{ item.link }}">{{ item.title }}</a>
                {% include 'partials/menu.twig' with {
                    items: item.children
                } %}
            </li>
        {% endfor %}
    </ul>
{% endif %}