Improve ShouldBroadcastNow performance

src/Illuminate/Broadcasting/BroadcastManager.php

@@ -9,6 +9,7 @@
 use Illuminate\Broadcasting\Broadcasters\RedisBroadcaster;
 use Illuminate\Contracts\Broadcasting\Factory as FactoryContract;
 use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
+use Illuminate\Contracts\Bus\Dispatcher as BusDispatcherContract;
 use InvalidArgumentException;
 use Psr\Log\LoggerInterface;
 use Pusher\Pusher;
@@ -108,10 +109,8 @@ public function event($event = null)
      */
     public function queue($event)
     {
-        $connection = $event instanceof ShouldBroadcastNow ? 'sync' : null;
-
-        if (is_null($connection) && isset($event->connection)) {
-            $connection = $event->connection;
+        if ($event instanceof ShouldBroadcastNow) {
+            return $this->app->make(BusDispatcherContract::class)->dispatchNow(new BroadcastEvent(clone $event));
         }
 
         $queue = null;
@@ -124,7 +123,7 @@ public function queue($event)
             $queue = $event->queue;
         }
 
-        $this->app->make('queue')->connection($connection)->pushOn(
+        $this->app->make('queue')->connection($event->connection ?? null)->pushOn(
             $queue, new BroadcastEvent(clone $event)
         );
     }