CS Fixer

src/Bundle/Command/AbstractImportCommand.php

@@ -36,7 +36,7 @@ abstract class AbstractImportCommand extends Command
 
     abstract protected function handleItem(): callable;
 
-    abstract protected function getReader(string $filename = null): ReaderInterface;
+    abstract protected function getReader(?string $filename = null): ReaderInterface;
 
     protected function configure(): void
     {

src/Bundle/Exception/ItemHandlingException.php

@@ -17,7 +17,7 @@
 
 class ItemHandlingException extends \RuntimeException
 {
-    public function __construct(string $message = '', int $code = Command::FAILURE, \Throwable $previous = null)
+    public function __construct(string $message = '', int $code = Command::FAILURE, ?\Throwable $previous = null)
     {
         parent::__construct($message, $code, $previous);
     }

src/DataImporter.php

@@ -32,7 +32,7 @@ public function __construct(
         private readonly ReaderInterface $reader,
         private readonly ProcessorInterface $processor,
         private readonly ?ArchiverInterface $archiver = null,
-        SerializerInterface $serializer = null,
+        ?SerializerInterface $serializer = null,
     ) {
         $this->serializer = $serializer ?? new Serializer([new ObjectNormalizer(null, new CamelCaseToSnakeCaseNameConverter())]);
     }

src/Dto/Generator.php

@@ -25,7 +25,7 @@ class Generator
      */
     private const NAMESPACE = 'App\Dto';
 
-    public function generate(string $class, array $columns, string $namespace = null): string
+    public function generate(string $class, array $columns, ?string $namespace = null): string
     {
         $file = new PhpFile();
         $file->setStrictTypes();

src/Exchange/MessageFactory.php

@@ -20,7 +20,7 @@ final class MessageFactory
     public static function create(
         ReaderInterface $reader,
         mixed $data = null,
-        string $archiveFilePath = null,
+        ?string $archiveFilePath = null,
     ): Message {
         return new Message(
             $reader->getFile()->getFilename(),

src/Processor/CallbackProcessor.php

@@ -23,7 +23,7 @@ class CallbackProcessor implements ProcessorInterface
 
     private readonly ?\Closure $end;
 
-    public function __construct(callable $begin = null, callable $item = null, callable $end = null)
+    public function __construct(?callable $begin = null, ?callable $item = null, ?callable $end = null)
     {
         $this->begin = $begin ? $begin(...) : null;
         $this->item = $item ? $item(...) : null;