Add NullEventDispatcher

Author: gehrisandro

rector.php

@@ -7,6 +7,7 @@
 use Rector\Privatization\Rector\Class_\FinalizeClassesWithoutChildrenRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\TypeDeclaration\Rector\ClassMethod\AddVoidReturnTypeWhereNoReturnRector;
 
 return static function (RectorConfig $rectorConfig): void {
     $rectorConfig->paths([
@@ -15,6 +16,7 @@
 
     $rectorConfig->skip([
         __DIR__.'/src/Testing/ClientFake.php' => FinalizeClassesWithoutChildrenRector::class,
+        __DIR__.'/src/Events/NullEventDispatcher.php' => AddVoidReturnTypeWhereNoReturnRector::class,
     ]);
 
     $rectorConfig->rules([

src/Events/Dispatcher.php

@@ -8,12 +8,12 @@
 class Dispatcher implements DispatcherContract
 {
     public function __construct(
-        private readonly ?EventDispatcherInterface $events
+        private readonly EventDispatcherInterface $events
     ) {
     }
 
     public function dispatch(object $event): void
     {
-        $this->events?->dispatch($event);
+        $this->events->dispatch($event);
     }
 }

src/Events/NullEventDispatcher.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace OpenAI\Events;
+
+use Psr\EventDispatcher\EventDispatcherInterface;
+
+class NullEventDispatcher implements EventDispatcherInterface
+{
+    public function dispatch(object $event) // @pest-ignore-type
+    {
+        return $event;
+    }
+}

src/Factory.php

@@ -7,6 +7,7 @@
 use GuzzleHttp\Client as GuzzleClient;
 use Http\Discovery\Psr18ClientDiscovery;
 use OpenAI\Events\Dispatcher;
+use OpenAI\Events\NullEventDispatcher;
 use OpenAI\Transporters\HttpTransporter;
 use OpenAI\ValueObjects\ApiKey;
 use OpenAI\ValueObjects\Transporter\BaseUri;
@@ -172,7 +173,7 @@ public function make(): Client
 
         $transporter = new HttpTransporter($client, $baseUri, $headers, $queryParams, $sendAsync);
 
-        $dispatcher = new Dispatcher($this->events);
+        $dispatcher = new Dispatcher($this->events ?? new NullEventDispatcher);
 
         return new Client($transporter, $dispatcher);
     }