status-messages.html.twig

{#
/**
 * @file
 * Theme override for status messages.
 *
 * Displays status, error, and warning messages, grouped by type.
 *
 * An invisible heading identifies the messages for assistive technology.
 * Sighted users see a colored box. See http://www.w3.org/TR/WCAG-TECHS/H69.html
 * for info.
 *
 * Add an ARIA label to the contentinfo area so that assistive technology
 * user agents will better describe this landmark.
 *
 * Available variables:
 * - message_list: List of messages to be displayed, grouped by type.
 * - status_headings: List of all status types.
 * - attributes: HTML attributes for the element, including:
 *   - class: HTML classes.
 * - title_ids: A list of unique ids keyed by message type.
 *
 * @see claro_preprocess_status_messages().
 */
#}
<div data-drupal-messages class="messages-list">
{% for type, messages in message_list %}
  {%
    set classes = [
      'messages-list__item',
      'messages',
      'messages--' ~ type,
    ]
  %}
  {%
    set is_message_with_title = status_headings[type]
  %}
  {%
    set is_message_with_icon = type in ['error', 'status', 'warning']
  %}

  <div role="contentinfo" aria-labelledby="{{ title_ids[type] }}"{{ attributes.addClass(classes)|without('role', 'aria-label') }}>
    {% if type == 'error' %}
      <div role="alert">
    {% endif %}
      {% if is_message_with_title or is_message_with_icon %}
        <div class="messages__header">
          {% if is_message_with_title %}
            <h2 id="{{ title_ids[type] }}" class="messages__title">
              {{ status_headings[type] }}
            </h2>
          {% endif %}
        </div>
      {% endif %}
      <div class="messages__content">
        {% if messages|length > 1 %}
          <ul class="messages__list">
            {% for message in messages %}
              <li class="messages__item">{{ message }}</li>
            {% endfor %}
          </ul>
        {% else %}
          {{ messages|first }}
        {% endif %}
      </div>
    {% if type == 'error' %}
      </div>
    {% endif %}
  </div>
  {# Remove type specific classes. #}
  {% set attributes = attributes.removeClass(classes) %}
{% endfor %}
</div>