uswds_base-8.x-2.0-alpha1/templates/misc/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.
 */
#}
{% block messages %}
  {% for type, messages in message_list %}
    {%
      set classes = [
      'messages',
      'messages--' ~ type,
      'usa-alert-body',
    ]
    %}
    <div class="usa-alert{% if type == 'error' %} usa-alert-error{% elseif type == 'warning' %} usa-alert-warning{% else %} usa-alert-success{% endif %}" {% if type == 'error' %} role="alert"{% endif %}>
    <div role="contentinfo" aria-label="{{ status_headings[type] }}"{{ attributes.addClass(classes)|without('role', 'aria-label') }}>


          {% if messages|length > 1 %}
            <ul>
              {% for message in messages %}
                <li{{ attributes.addClass('usa-alert-heading') }}>{{ message }}</li>
              {% endfor %}
            </ul>

          {% else %}
            <p{{ attributes.addClass('usa-alert-text') }}>
              {{ messages|first }}
            </p>
          {% endif %}

        </div>
    </div>
    {# Remove type specific classes. #}
    {% set attributes = attributes.removeClass(classes) %}
  {% endfor %}
{% endblock messages %}