feat: DTO에 Ignore 추가

src/sammo/DTO/Attr/Ignore.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace sammo\DTO\Attr;
+
+#[\Attribute(\Attribute::TARGET_PROPERTY)]
+class Ignore
+{
+  public function __construct()
+  {
+  }
+}

src/sammo/DTO/DTO.php

@@ -32,6 +32,13 @@ abstract class DTO
 
       $param = $params[$name] ?? null;
 
+      if(key_exists(Attr\Ignore::class, $attrs)){
+        if($param !== null){
+          throw new \Exception("Property {$name} is ignored but has a constructor parameter");
+        }
+        continue;
+      }
+
       if (key_exists(Attr\DefaultValueGenerator::class, $attrs)){
         /** @var Attr\DefaultValueGenerator */
         $defaultValueSetter = $attrs[Attr\DefaultValueGenerator::class]->newInstance();
@@ -113,6 +120,10 @@ abstract class DTO
       $attrs = Util\Util::getAttrs($property);
       $name = $property->getName();
 
+      if(key_exists(Attr\Ignore::class, $attrs)){
+        continue;
+      }
+
       if (key_exists(Attr\RawName::class, $attrs)) {
         $rawAttr = $attrs[Attr\RawName::class];
         $attr = new Attr\RawName(...$rawAttr->getArguments());

tests/DTOTest.php

@@ -3,6 +3,7 @@
 use sammo\DTO\Attr\Convert;
 use sammo\DTO\Attr\DefaultValue;
 use sammo\DTO\Attr\DefaultValueGenerator;
+use sammo\DTO\Attr\Ignore;
 use sammo\DTO\DTO;
 use sammo\DTO\Attr\JsonString;
 use sammo\DTO\Attr\NullIsUndefined;
@@ -196,6 +197,23 @@ class TypeDefaultValue extends DTO
   }
 }
 
+class TypeIgnore extends DTO
+{
+  #[Ignore]
+  public int $c = 100;
+  #[Ignore]
+  public $d;
+  #[Ignore]
+  public $e;
+
+  public function __construct(
+    public int $a,
+    public int $b,
+  ) {
+    $this->d = $a * 2;
+  }
+}
+
 class DTOTest extends PHPUnit\Framework\TestCase
 {
   public function testBasic()
@@ -436,4 +454,15 @@ class DTOTest extends PHPUnit\Framework\TestCase
 
     $this->assertEquals($testValue, $testType);
   }
+
+  public function testIgnore(){
+    $rawType = [
+      'a' => 1,
+      'b' => 2,
+    ];
+    $obj = TypeIgnore::fromArray($rawType);
+    $testType = $obj->toArray();
+
+    $this->assertEquals($rawType, $testType);
+  }
 }