DecoratorExtension: implemented decorating by factory interface

Author: dg

src/DI/Extensions/DecoratorExtension.php

@@ -59,7 +59,8 @@ private function findByType($type)
 	{
 		$type = ltrim($type, '\\');
 		return array_filter($this->getContainerBuilder()->getDefinitions(), function ($def) use ($type) {
-			return $def->getClass() === $type || is_subclass_of($def->getClass(), $type);
+			return $def->getClass() === $type || is_subclass_of($def->getClass(), $type)
+				|| $def->getImplement() === $type || is_subclass_of($def->getImplement(), $type);
 		});
 	}
 

tests/DI/DecoratorExtension.factories.phpt

@@ -31,6 +31,8 @@ $container = createContainer($compiler, '
 decorator:
 	Foo:
 		inject: yes
+	FooFactory:
+		tags: [a]
 services:
 	foo: {implement: FooFactory}
 ');
@@ -39,3 +41,5 @@ services:
 $builder = $compiler->getContainerBuilder();
 
 Assert::true($builder->getDefinition('foo')->getTag('inject'));
+
+Assert::true($builder->getDefinition('foo')->getTag('a'));