Fix ts transformed collections

src/Support/TypeScriptTransformer/DataTypeScriptTransformer.php

@@ -129,7 +129,7 @@ protected function dataCollectionType(string $class, ?string $keyType): Type
     {
         $keyType = match ($keyType) {
             'string' => new String_(),
-            'int' => new Integer(),
+            'int' => null,
             default => new Compound([new String_(), new Integer()]),
         };
 

tests/Support/TypeScriptTransformer/DataTypeScriptTransformerTest.php

@@ -273,3 +273,25 @@ public function __construct(
         $transformer->transform($reflection, 'DataObject')->transformed
     );
 });
+
+it('will transform a collection with int key as an array', function () {
+    $config = TypeScriptTransformerConfig::create();
+
+    $data = new class () extends Data {
+        /** @var array<int, \Spatie\LaravelData\Tests\Fakes\SimpleData> */
+        public array $collection;
+    };
+
+    $transformer = new DataTypeScriptTransformer($config);
+    $reflection = new ReflectionClass($data);
+
+    $this->assertTrue($transformer->canTransform($reflection));
+    $this->assertEquals(
+        <<<TXT
+        {
+        collection: Array<{%Spatie\LaravelData\Tests\Fakes\SimpleData%}>;
+        }
+        TXT,
+        $transformer->transform($reflection, 'DataObject')->transformed
+    );
+});

tests/__snapshots__/DataTypeScriptTransformerTest__it_outputs_types_with_properties_using_their_mapped_name_on_a_property__1.txt

@@ -0,0 +1,4 @@
+{
+some_camel_case_property: string;
+'some:non:standard:property': string;
+}