function AjaxResponseAttachmentsProcessor::processAttachments

File

core/lib/Drupal/Core/Ajax/AjaxResponseAttachmentsProcessor.php, line 104

Class

AjaxResponseAttachmentsProcessor

Processes attachments of AJAX responses.

Namespace

Code

public function processAttachments(AttachmentsInterface $response) {
  // @todo Convert to assertion once https://www.drupal.org/node/2408013 lands
  if (!$response instanceof AjaxResponse) {
    throw new \InvalidArgumentException('\\Drupal\\Core\\Ajax\\AjaxResponse instance expected.');
  }
  $request = $this->requestStack
    ->getCurrentRequest();
  if ($response->getContent() == '{}') {
    $response->setData($this->buildAttachmentsCommands($response, $request));
  }
  return $response;
}