devel_wizard-2.x-dev/templates/spell/entity_type/content/view_builder.php.twig

{%
  include '@devel_wizard/php/devel_wizard.php.file.header.php.twig'
  with {
    'namespace': content.namespace,
  }
%}

{%-
  include '@devel_wizard/php/devel_wizard.php.file.use_statements.php.twig'
  with {
    'useStatements': {
      'Drupal\\Core\\Entity\\Display\\EntityViewDisplayInterface': '',
      'Drupal\\Core\\Entity\\EntityInterface': '',
      'Drupal\\Core\\Entity\\EntityViewBuilder': '',
    },
  }
%}

class ViewBuilder extends EntityViewBuilder {

  /**
   * {@inheritdoc}
   *
   * @phpstan-param array<string, mixed> $build
   * @phpstan-param string $view_mode
   */
  protected function alterBuild(
    array &$build,
    EntityInterface $entity,
    EntityViewDisplayInterface $display,
    $view_mode,
  ): void {
    parent::alterBuild($build, $entity, $display, $view_mode);

    $build['#contextual_links'][$entity->getEntityTypeId()] = [
      'route_parameters' => [
        $entity->getEntityTypeId() => $entity->id(),
      ],
    ];
  }

}