feat: Add support for json serializable

src/ImmutableRecord.php

@@ -17,7 +17,7 @@
  * @package EventEngine\Data
  * @psalm-immutable
  */
-interface ImmutableRecord
+interface ImmutableRecord extends \JsonSerializable
 {
     const PHP_TYPE_STRING = 'string';
     const PHP_TYPE_INT = 'int';

src/ImmutableRecordLogic.php

@@ -139,6 +139,11 @@ public function equals(ImmutableRecord $other): bool
         return $this->toArray() === $other->toArray();
     }
 
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+
     private function setRecordData(array $recordData): void
     {
         foreach ($recordData as $key => $value) {

tests/ImmutableRecordLogicTest.php

@@ -266,4 +266,31 @@ public function it_throws_an_exception_if_no_type_hint_was_found()
 
         ImmutableRecordWithNoTypes::fromArray($this->data);
     }
+
+    /**
+     * @test
+     */
+    public function it_supports_json_serializable()
+    {
+        $record = TypeHintedImmutableRecordWithValueObjects::fromArray($this->data);
+
+        $this->data['type'] = null;
+        $this->data['percentage'] = 0.5;
+
+        $this->assertEquals(
+            $this->data,
+            $record->jsonSerialize()
+        );
+
+        $this->assertEquals(
+            $record->toArray(),
+            $record->jsonSerialize()
+        );
+
+        $json = json_encode($record);
+        $this->assertJson($json);
+
+        $decoded = json_decode($json, true);
+        $this->assertEquals($this->data, $decoded);
+    }
 }