Use Routes extender

extensions/pusher/bootstrap.php

@@ -10,6 +10,7 @@
  */
 
 use Flarum\Extend;
+use Flarum\Pusher\Api\Controller\AuthController;
 use Flarum\Pusher\Listener;
 use Illuminate\Contracts\Events\Dispatcher;
 
@@ -21,6 +22,8 @@ return [
     (new Extend\Assets('admin'))
         ->asset(__DIR__.'/js/admin/dist/extension.js')
         ->bootstrapper('flarum/pusher/main'),
+    (new Extend\Routes('api'))
+        ->post('/pusher/auth', 'pusher.auth', AuthController::class),
     function (Dispatcher $events) {
         $events->subscribe(Listener\AddPusherApi::class);
         $events->subscribe(Listener\PushNewPosts::class);

extensions/pusher/src/Listener/AddPusherApi.php

@@ -13,8 +13,6 @@ namespace Flarum\Pusher\Listener;
 
 use Flarum\Api\Event\Serializing;
 use Flarum\Api\Serializer\ForumSerializer;
-use Flarum\Event\ConfigureApiRoutes;
-use Flarum\Pusher\Api\Controller\AuthController;
 use Flarum\Settings\SettingsRepositoryInterface;
 use Illuminate\Contracts\Events\Dispatcher;
 
@@ -39,7 +37,6 @@ class AddPusherApi
     public function subscribe(Dispatcher $events)
     {
         $events->listen(Serializing::class, [$this, 'addAttributes']);
-        $events->listen(ConfigureApiRoutes::class, [$this, 'addRoutes']);
     }
 
     /**
@@ -52,12 +49,4 @@ class AddPusherApi
             $event->attributes['pusherCluster'] = $this->settings->get('flarum-pusher.app_cluster');
         }
     }
-
-    /**
-     * @param ConfigureApiRoutes $event
-     */
-    public function addRoutes(ConfigureApiRoutes $event)
-    {
-        $event->post('/pusher/auth', 'pusher.auth', AuthController::class);
-    }
 }