date.twig

{% if date|length == 1 %}
  {% include "@base/date-formats/_date-format.twig" with {
    'date_format': date_format,
    'date': date.0
  } %}
{% else %}
  {% for d in date %}
      {% if loop.index0 == 0 %}
        <details class="uw-date-details">
          <summary role="button" aria-controls="edit-future-dates-collapsible" aria-expanded="false" aria-pressed="false" class="uw-date-details__summary">
            {% include "@base/date-formats/_date-format.twig" with {
              'date_format': date_format,
              'date': d
            }%}
          </summary>
    {% else %}
      {% include "@base/date-formats/_date-format.twig" with {
        'date_format': date_format,
        'date': d
      }%}
    {% endif %}
    {% if loop.last %}
      </details>
    {% endif %}
  {% endfor %}
{% endif %}