datafield-1.x-dev/src/Plugin/DataField/FieldWidget/PasswordWidget.php

<?php

namespace Drupal\datafield\Plugin\DataField\FieldWidget;

use Drupal\Core\Field\Attribute\FieldWidget;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\datafield\Plugin\DataFieldWidgetInterface;

/**
 * Plugin implementation of the 'string_textfield' widget.
 */
#[FieldWidget(
  id: 'password',
  label: new TranslatableMarkup('Password'),
  field_types: ['string'],
)]
class PasswordWidget implements DataFieldWidgetInterface {
  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function getFormElement(&$element, $item = NULL, $setting = []) {
    $element['#type'] = 'password';
  }

}