Pass topics to mercure if not defined

Author: Fan2Shrek

src/Turbo/src/Bridge/Mercure/TurboStreamListenRenderer.php

@@ -65,10 +65,15 @@ public function renderTurboStreamListen(Environment $env, $topic /* array $event
         if (isset($eventSourceOptions)) {
             try {
                 $mercure = $this->twig->getExtension(MercureExtension::class);
+
+                if ($withCredentials = $eventSourceOptions['withCredentials'] ?? false) {
+                    $eventSourceOptions['subscribe'] ??= $topics;
+                }
+
                 $mercure->mercure($topics, $eventSourceOptions);
 
-                if (isset($eventSourceOptions['withCredentials'])) {
-                    $controllerAttributes['withCredentials'] = $eventSourceOptions['withCredentials'];
+                if ($withCredentials) {
+                    $controllerAttributes['withCredentials'] = true;
                 }
             } catch (RuntimeError $e) {
             }