form-element--new-storage-type.html.twig

{#
/**
 * @file
 * Default theme implementation for a storage type option form element.
 *
 * Available variables:
 * - attributes: HTML attributes for the containing element.
 * - errors: (optional) Any errors for this form element, may not be set.
 * - label: A rendered label element.
 * - description: (optional) A list of description properties containing:
 *    - content: A description of the form element, may not be set.
 *    - attributes: (optional) A list of HTML attributes to apply to the
 *      description content wrapper. Will only be set when description is set.
 * - variant: specifies option type. Typically 'field-option' or 'field-suboption'.
 *
 * @see template_preprocess_form_element()
 *
 * @ingroup themeable
 */
#}
{%
  set classes = [
    errors ? 'form-item--error',
    variant ? variant ~ '__item'
  ]
%}
<div{{ attributes.addClass(classes) }}>
  {% if variant == 'field-option' %}
    {{ label }}
    <div{{ description.attributes }}>
      {{ description.content }}
    </div>
  {% endif %}
  {{ children }}
  {% if variant == 'field-suboption' %}
    {{ label }}
    <div{{ description.attributes.addClass(description_classes) }}>
      {{ description.content }}
    </div>
  {% endif %}
  {% if errors %}
    <div class="form-item--error-message">
      {{ errors }}
    </div>
  {% endif %}
</div>