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;
    }

}