From 6a2a132b864e862655a12c805aec6dde7324d2af Mon Sep 17 00:00:00 2001
From: Jannik Zschiesche <j.zschiesche@21torr.com>
Date: Tue, 12 Nov 2024 21:23:55 +0100
Subject: [PATCH 1/2] Allow normalizing empty `stdClass`

---
 CHANGELOG.md                                 |  6 ++++
 src/Normalizer/SimpleNormalizer.php          |  7 +++++
 tests/Normalizer/ObjectNormalizationTest.php | 29 ++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2bbd8d..4409a40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+1.3.2
+=====
+
+* (improvement) Allow normalizing empty `stdClass`.
+
+
 1.3.1
 =====
 
diff --git a/src/Normalizer/SimpleNormalizer.php b/src/Normalizer/SimpleNormalizer.php
index e62c3ba..d8fd607 100644
--- a/src/Normalizer/SimpleNormalizer.php
+++ b/src/Normalizer/SimpleNormalizer.php
@@ -40,6 +40,13 @@ public function normalize (mixed $value, array $context = []) : mixed
 
 		if (\is_object($value))
 		{
+			// Allow empty stdClass as a way to force a JSON {} instead of an
+			// array which would encode to []
+			if ($value instanceof \stdClass && [] === get_object_vars($value))
+			{
+				return $value;
+			}
+
 			try
 			{
 				$className = $value::class;
diff --git a/tests/Normalizer/ObjectNormalizationTest.php b/tests/Normalizer/ObjectNormalizationTest.php
index f15f87c..7ff20a3 100644
--- a/tests/Normalizer/ObjectNormalizationTest.php
+++ b/tests/Normalizer/ObjectNormalizationTest.php
@@ -43,6 +43,35 @@ public static function getNormalizedType () : string
 		self::assertSame(["id" => 42], $normalizer->normalize($value));
 	}
 
+	/**
+	 *
+	 */
+	public function testEmptyStdClass () : void
+	{
+		$normalizer = $this->createNormalizer();
+		$object = new \stdClass();
+
+		self::assertSame(
+			$object,
+			$normalizer->normalize($object),
+		);
+	}
+
+
+	/**
+	 *
+	 */
+	public function testNonEmptyStdClassIsInvalid () : void
+	{
+		$normalizer = $this->createNormalizer();
+		$object = new \stdClass();
+		$object->prop = 5;
+
+		$this->expectException(ObjectTypeNotSupportedException::class);
+		$this->expectExceptionMessage("Can't normalize type stdClass");
+		$normalizer->normalize($object);
+	}
+
 	/**
 	 *
 	 */

From 473ce0ee4d6454f9e362c5723faa995b143c50be Mon Sep 17 00:00:00 2001
From: Jannik Zschiesche <j.zschiesche@21torr.com>
Date: Tue, 12 Nov 2024 21:24:52 +0100
Subject: [PATCH 2/2] Bump janus

---
 composer.json                                | 2 +-
 src/Normalizer/SimpleNormalizer.php          | 4 ++--
 tests/Normalizer/ObjectNormalizationTest.php | 1 -
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/composer.json b/composer.json
index 6c9c11e..db9537f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
 		"symfony/http-kernel": "^6.4 || ^7.0"
 	},
 	"require-dev": {
-		"21torr/janus": "^1.3",
+		"21torr/janus": "^1.4",
 		"bamarni/composer-bin-plugin": "^1.8",
 		"doctrine/common": "^3.4",
 		"roave/security-advisories": "dev-latest",
diff --git a/src/Normalizer/SimpleNormalizer.php b/src/Normalizer/SimpleNormalizer.php
index d8fd607..72dde2d 100644
--- a/src/Normalizer/SimpleNormalizer.php
+++ b/src/Normalizer/SimpleNormalizer.php
@@ -63,14 +63,14 @@ public function normalize (mixed $value, array $context = []) : mixed
 			}
 			catch (ServiceNotFoundException $exception)
 			{
-				throw new ObjectTypeNotSupportedException(sprintf(
+				throw new ObjectTypeNotSupportedException(\sprintf(
 					"Can't normalize type %s",
 					get_debug_type($value),
 				), 0, $exception);
 			}
 		}
 
-		throw new UnsupportedTypeException(sprintf(
+		throw new UnsupportedTypeException(\sprintf(
 			"Can't normalize type %s",
 			get_debug_type($value),
 		));
diff --git a/tests/Normalizer/ObjectNormalizationTest.php b/tests/Normalizer/ObjectNormalizationTest.php
index 7ff20a3..c15e848 100644
--- a/tests/Normalizer/ObjectNormalizationTest.php
+++ b/tests/Normalizer/ObjectNormalizationTest.php
@@ -57,7 +57,6 @@ public function testEmptyStdClass () : void
 		);
 	}
 
-
 	/**
 	 *
 	 */