EntityCreateDeriver.php

<?php

declare (strict_types=1);
namespace Drupal\Core\Config\Action\Plugin\ConfigAction\Deriver;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Config\Action\Exists;
use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * @internal
 *   This API is experimental.
 */
final class EntityCreateDeriver extends DeriverBase {
  use StringTranslationTrait;
  
  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    // These derivatives apply to all entity types.
    $base_plugin_definition['entity_types'] = [
      '*',
    ];
    $this->derivatives['createIfNotExists'] = $base_plugin_definition + [
      'constructor_args' => [
        'exists' => Exists::ReturnEarlyIfExists,
      ],
    ];
    $this->derivatives['createIfNotExists']['admin_label'] = $this->t('Create entity if it does not exist');
    $this->derivatives['create'] = $base_plugin_definition + [
      'constructor_args' => [
        'exists' => Exists::ErrorIfExists,
      ],
    ];
    $this->derivatives['create']['admin_label'] = $this->t('Entity create');
    return $this->derivatives;
  }

}