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- Prevent BC change on AbstractItemNormalizer::transformOutput
- Remove useless documentation

Author: silverbackdan

src/Serializer/AbstractItemNormalizer.php

@@ -119,7 +119,7 @@ public function normalize($object, $format = null, array $context = [])
                 throw new LogicException('Cannot normalize the output because the injected serializer is not a normalizer');
             }
 
-            if ($object !== $transformed = $this->transformOutput($object, $outputClass, $context)) {
+            if ($object !== $transformed = $this->transformOutput($object, $context, $outputClass)) {
                 $context['api_normalize'] = true;
                 $context['api_resource'] = $object;
                 unset($context['output'], $context['resource_class']);
@@ -645,8 +645,12 @@ protected function getDataTransformer($data, string $to, array $context = []): ?
      * For a given resource, it returns an output representation if any
      * If not, the resource is returned.
      */
-    protected function transformOutput($object, string $outputClass, array $context = [])
+    protected function transformOutput($object, array $context = [], string $outputClass = null)
     {
+        if (null === $outputClass) {
+            $outputClass = $this->getOutputClass($this->getObjectClass($object), $context);
+        }
+
         if (null !== $outputClass && null !== $dataTransformer = $this->getDataTransformer($object, $outputClass, $context)) {
             return $dataTransformer->transform($object, $outputClass, $context);
         }

tests/Fixtures/TestBundle/DataTransformer/OutputDtoSameClassTransformer.php

@@ -21,8 +21,6 @@
 use ApiPlatform\Core\Tests\Fixtures\TestBundle\Entity\DummyDtoOutputSameClass;
 
 /**
- * OutputDtoUnmodifiedDataTransformer.
- *
  * @author Daniel West <[email protected]>
  */
 final class OutputDtoSameClassTransformer implements DataTransformerInterface