Initial Drupal 11 with DDEV setup

vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php

@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Normalizer;
+
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\LogicException;
+
+/**
+ * A normalizer that uses an objects own JsonSerializable implementation.
+ *
+ * @author Fred Cox <mcfedr@gmail.com>
+ */
+final class JsonSerializableNormalizer extends AbstractNormalizer
+{
+    public function normalize(mixed $data, ?string $format = null, array $context = []): array|string|int|float|bool|\ArrayObject|null
+    {
+        if ($this->isCircularReference($data, $context)) {
+            return $this->handleCircularReference($data, $format, $context);
+        }
+
+        if (!$data instanceof \JsonSerializable) {
+            throw new InvalidArgumentException(\sprintf('The object must implement "%s".', \JsonSerializable::class));
+        }
+
+        if (!$this->serializer instanceof NormalizerInterface) {
+            throw new LogicException('Cannot normalize object because injected serializer is not a normalizer.');
+        }
+
+        return $this->serializer->normalize($data->jsonSerialize(), $format, $context);
+    }
+
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            \JsonSerializable::class => true,
+        ];
+    }
+
+    public function supportsNormalization(mixed $data, ?string $format = null, array $context = []): bool
+    {
+        return $data instanceof \JsonSerializable;
+    }
+
+    public function supportsDenormalization(mixed $data, string $type, ?string $format = null, array $context = []): bool
+    {
+        return false;
+    }
+
+    public function denormalize(mixed $data, string $type, ?string $format = null, array $context = []): mixed
+    {
+        throw new LogicException(\sprintf('Cannot denormalize with "%s".', \JsonSerializable::class));
+    }
+}