_main-menu-macro.twig

{#
/**
 * @file
 * Theme override to display a menu.
 *
 * Available variables:
 * - menu_name: The machine name of the menu.
 * - items: A nested list of menu items. Each menu item contains:
 *   - attributes: HTML attributes for the menu item.
 *   - below: The menu item child items.
 *   - title: The menu link title.
 *   - url: The menu link url, instance of \Drupal\Core\Url
 *   - localized_options: Menu link localized options.
 *   - is_expanded: TRUE if the link has visible children within the current
 *     menu tree.
 *   - is_collapsed: TRUE if the link has children within the current menu tree
 *     that are not currently visible.
 *   - in_active_trail: TRUE if the link is in the active trail.
 */
#}
{% import _self as menus %}

{{ menus.main_menu(items, attributes, 0) }}

{% macro main_menu(items, attributes, menu_level) %}
  {% import _self as menus %}
  {% if items %}
    {% if menu_level == 0 %}
      <ul{{ attributes.addClass('main-menu__list') }}>
    {% else %}
      <ul class="main-menu__submenu">
    {% endif %}
    {% for item in items %}
      <li class="main-menu__item main-menu__item--level-{{ menu_level }}
        {{- item.is_active_trail ? 'main-menu__item--active-trail' -}}">
        <a href="{{ item.url }}" class="main-menu__link">
          {{ item.title }}
        </a>
        {% if item.below %}
          {{ menus.main_menu(item.below, attributes, menu_level + 1) }}
        {% endif %}
      </li>
    {% endfor %}
    </ul>
  {% endif %}
{% endmacro %}