Added an ignore attribute to skip certain properties when necassary

phpunit.xml

@@ -3,6 +3,7 @@
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd"
          bootstrap="vendor/autoload.php"
          colors="true"
+         beStrictAboutOutputDuringTests="true"
 >
     <testsuites>
         <testsuite name="Test Suite">

src/Attribute/Ignore.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Tibisoft\AutoTransformer\Attribute;
+
+#[\Attribute(\Attribute::TARGET_PROPERTY)]
+class Ignore
+{
+
+}

src/AutoTransformer.php

@@ -4,6 +4,7 @@
 
 use Tibisoft\AutoTransformer\Attribute\AttributeHandlerInterface;
 use Tibisoft\AutoTransformer\Attribute\BaseAttribute;
+use Tibisoft\AutoTransformer\Attribute\Ignore;
 use Tibisoft\AutoTransformer\Exception\TransformException;
 
 class AutoTransformer implements AutoTransformerInterface
@@ -23,6 +24,10 @@ public function transform(object $from, string|object $to): object
 
             foreach ($attributes as $attribute) {
                 $attribute = $attribute->newInstance();
+                if($attribute instanceof Ignore) {
+                    continue 2;
+                }
+
                 if (!($attribute instanceof BaseAttribute)) {
                     continue;
                 }

tests/Transformer/Attribute/IgnoreTest.php

@@ -0,0 +1,42 @@
+<?php
+
+test('Test ignore Attribute', function () {
+    $object = new IgnoreClass(10, 'Willem Turkstra', ['test' => ['something' => 'missing']]);
+
+    $transformer = new \Tibisoft\AutoTransformer\AutoTransformer();
+
+    /** @var IgnoreClassDTO $dto */
+    $dto = $transformer->transform($object, IgnoreClassDTO::class);
+
+    expect($dto->age)->toBe($object->age);
+    expect($dto->name)->toBe($object->name);
+
+    $refProp = new ReflectionProperty($dto, 'complexArray');
+    expect($refProp->isInitialized($dto))->toBe(false);
+
+});
+
+class IgnoreClass
+{
+    public function __construct(
+        public int $age,
+        public string $name,
+        public array $complexArray,
+    )
+    {
+
+    }
+}
+
+class IgnoreClassDTO
+{
+    public function __construct(
+        public int $age,
+        public string $name,
+        #[\Tibisoft\AutoTransformer\Attribute\Ignore]
+        public array $complexArray,
+    )
+    {
+
+    }
+}