function AjaxResponseAttachmentsProcessor::processAttachments

Overrides AttachmentsResponseProcessorInterface::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;
}