function hook_ajax_render_alter in Drupal 8
Same name and namespace in other branches
- 7 modules/system/system.api.php \hook_ajax_render_alter()
- 9 core/lib/Drupal/Core/Form/form.api.php \hook_ajax_render_alter()
Alter the Ajax command data that is sent to the client.
Parameters
\Drupal\Core\Ajax\CommandInterface[] $data: An array of all the rendered commands that will be sent to the client.
Related topics
1 invocation of hook_ajax_render_alter()
- AjaxResponseAttachmentsProcessor::buildAttachmentsCommands in core/
lib/ Drupal/ Core/ Ajax/ AjaxResponseAttachmentsProcessor.php - Prepares the AJAX commands to attach assets.
File
- core/
lib/ Drupal/ Core/ Form/ form.api.php, line 153 - Callbacks and hooks related to form system.
Code
function hook_ajax_render_alter(array &$data) {
// Inject any new status messages into the content area.
$status_messages = [
'#type' => 'status_messages',
];
$command = new \Drupal\Core\Ajax\PrependCommand('#block-system-main .content', \Drupal::service('renderer')
->renderRoot($status_messages));
$data[] = $command
->render();
}