Issue #3291257: Textarea's form errors are hidden (again)

 */

/**

 * Implements hook_preprocess_input() for adding classes to inputs.

 * Implements hook_preprocess().

 */

function bootstrap_barrio_preprocess_input(&$variables) {

function bootstrap_barrio_preprocess(&$variables, $hook) {

  if (isset($variables['attributes']['class'])) {

    $class = 'is-invalid';

    if (is_object($variables['attributes']['class'])) {

      if (in_array('error', $variables['attributes']['class']->value())) {

        $variables['attributes']['class']->addClass('is-invalid');

        $variables['attributes']->addClass($class);

        // If there is a wrapper, add class too.

        if (isset($variables["wrapper_attributes"])) {

          $variables['wrapper_attributes']->addClass($class);

        }

      }

    }

    elseif (is_array($variables['attributes']['class'])) {

      if (in_array('error', $variables['attributes']['class'])) {

        $variables['attributes']['class'][] = 'is-invalid';

        $variables['attributes']['class'][] = $class;

      }

    }

  }

}

/**

 * Implements hook_preprocess_input() for adding classes to inputs.

 */

function bootstrap_barrio_preprocess_input(&$variables) {

  if ($variables['element']['#type'] == 'submit') {

    $button_size = theme_get_setting('bootstrap_barrio_button_size');

    $button_types = [