class NoBigPipeRouteAlterSubscriber in Drupal 8

Sets the '_no_big_pipe' option on select routes.

Hierarchy

• class \Drupal\big_pipe\EventSubscriber\NoBigPipeRouteAlterSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'NoBigPipeRouteAlterSubscriber'

big_pipe.services.yml in core/modules/big_pipe/big_pipe.services.yml

core/modules/big_pipe/big_pipe.services.yml

1 service uses NoBigPipeRouteAlterSubscriber

route_subscriber.no_big_pipe in core/modules/big_pipe/big_pipe.services.yml

Drupal\big_pipe\EventSubscriber\NoBigPipeRouteAlterSubscriber

File

core/modules/big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php, line 12

Namespace

Drupal\big_pipe\EventSubscriber

class NoBigPipeRouteAlterSubscriber implements EventSubscriberInterface {

  /**
   * Alters select routes to have the '_no_big_pipe' option.
   *
   * @param \Drupal\Core\Routing\RouteBuildEvent $event
   *   The event to process.
   */
  public function onRoutingRouteAlterSetNoBigPipe(RouteBuildEvent $event) {
    $no_big_pipe_routes = [
      // The batch system uses a <meta> refresh to work without JavaScript.
      'system.batch_page.html',
      // When a user would install the BigPipe module using a browser and with
      // JavaScript disabled, the first response contains the status messages
      // for installing a module, but then the BigPipe no-JS redirect occurs,
      // which then causes the user to not see those status messages.
      // @see https://www.drupal.org/node/2469431#comment-10901944
      'system.modules_list',
    ];
    $route_collection = $event
      ->getRouteCollection();
    foreach ($no_big_pipe_routes as $excluded_route) {
      if ($route = $route_collection
        ->get($excluded_route)) {
        $route
          ->setOption('_no_big_pipe', TRUE);
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[RoutingEvents::ALTER][] = [
      'onRoutingRouteAlterSetNoBigPipe',
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
NoBigPipeRouteAlterSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
NoBigPipeRouteAlterSubscriber::onRoutingRouteAlterSetNoBigPipe	public	function	Alters select routes to have the '_no_big_pipe' option.