Implement enum json serialization

src/Enums/CustomCreationMethodType.php

@@ -2,9 +2,9 @@
 
 namespace Spatie\LaravelData\Enums;
 
-enum CustomCreationMethodType
+enum CustomCreationMethodType: string
 {
-    case None;
-    case Object;
-    case Collection;
+    case None = 'None';
+    case Object = 'Object';
+    case Collection = 'Collection';
 }

src/Enums/DataCollectableType.php

@@ -2,11 +2,11 @@
 
 namespace Spatie\LaravelData\Enums;
 
-enum DataCollectableType
+enum DataCollectableType: string
 {
-    case Default;
-    case Array;
-    case Collection;
-    case Paginated;
-    case CursorPaginated;
+    case Default = 'Default';
+    case Array = 'Array';
+    case Collection = 'Collection';
+    case Paginated = 'Paginated';
+    case CursorPaginated = 'CursorPaginated';
 }

src/Enums/DataTypeKind.php

@@ -4,21 +4,21 @@
 
 use Exception;
 
-enum DataTypeKind
+enum DataTypeKind: string
 {
-    case Default;
-    case Array;
-    case Enumerable;
-    case Paginator;
-    case CursorPaginator;
-    case DataObject;
-    case DataCollection;
-    case DataPaginatedCollection;
-    case DataCursorPaginatedCollection;
-    case DataArray;
-    case DataEnumerable;
-    case DataPaginator;
-    case DataCursorPaginator;
+    case Default = 'Default';
+    case Array = 'Array';
+    case Enumerable = 'Enumerable';
+    case Paginator = 'Paginator';
+    case CursorPaginator = 'CursorPaginator';
+    case DataObject = 'DataObject';
+    case DataCollection = 'DataCollection';
+    case DataPaginatedCollection = 'DataPaginatedCollection';
+    case DataCursorPaginatedCollection = 'DataCursorPaginatedCollection';
+    case DataArray = 'DataArray';
+    case DataEnumerable = 'DataEnumerable';
+    case DataPaginator = 'DataPaginator';
+    case DataCursorPaginator = 'DataCursorPaginator';
 
     public function isDataObject(): bool
     {

tests/ExceptionTraceArgumentsJsonSerializationTest.php

@@ -0,0 +1,41 @@
+<?php
+
+use Spatie\LaravelData\Data;
+use Spatie\LaravelData\Exceptions\CannotCreateData;
+use Spatie\LaravelData\Tests\Fakes\NotExtendedDataClass;
+use Spatie\LaravelData\Tests\Fakes\SimpleData;
+
+// enable args in exception trace
+beforeEach(function () {
+    ini_set('zend.exception_ignore_args', 'Off');
+});
+
+it('can json_encode exception trace with args when not all required properties passed', function () {
+    try {
+        SimpleData::from([]);
+    } catch (CannotCreateData $e) {
+        $trace = $e->getTrace();
+        $encodedJson = json_encode($trace, JSON_THROW_ON_ERROR);
+
+        expect($encodedJson)->toBeJson();
+    }
+});
+
+it('can json_encode exception trace with args when nested property not extends Data or Dto class', function () {
+    $dataClass = new class ('', new NotExtendedDataClass('')) extends Data {
+        public function __construct(
+            public string $string,
+            public NotExtendedDataClass $nested
+        ) {
+        }
+    };
+
+    try {
+        $dataClass::from(['string' => '', 'nested' => ['name' => '']]);
+    } catch (TypeError $e) {
+        $trace = $e->getTrace();
+        $encodedJson = json_encode($trace, JSON_THROW_ON_ERROR);
+
+        expect($encodedJson)->toBeJson();
+    }
+});

tests/Fakes/NotExtendedDataClass.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Spatie\LaravelData\Tests\Fakes;
+
+class NotExtendedDataClass
+{
+    public function __construct(
+        public string $name
+    ) {
+    }
+}