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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Di; |
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use Psr\Container\ContainerInterface; |
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use Yiisoft\Factory\Definition\DefinitionInterface; |
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use Yiisoft\Factory\Definition\Normalizer; |
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use Yiisoft\Factory\DependencyResolverInterface; |
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/** |
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* A wrapper for a service definition that allows registering extensions. |
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* An extension is a callable that returns a modified service object: |
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* |
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* ```php |
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* static function (ContainerInterface $container, $service) { |
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* return $service->withAnotherOption(42); |
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* } |
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* ``` |
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*/ |
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final class ExtensibleService implements DefinitionInterface |
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{ |
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/** @psalm-var array<string,mixed> */ |
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private $definition; |
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private array $extensions = []; |
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/** |
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* @param mixed $definition Definition to allow registering extensions for. |
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*/ |
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public function __construct($definition) |
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{ |
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$this->definition = $definition; |
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} |
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/** |
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* Add an extension. |
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* |
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* An extension is a callable that returns a modified service object: |
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* |
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* ```php |
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* static function (ContainerInterface $container, $service) { |
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* return $service->withAnotherOption(42); |
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* } |
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* ``` |
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* |
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* @param callable $closure An extension to register. |
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*/ |
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public function addExtension(callable $closure): void |
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{ |
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$this->extensions[] = $closure; |
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} |
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public function resolve(DependencyResolverInterface $container) |
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{ |
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$service = (Normalizer::normalize($this->definition))->resolve($container); |
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$containerInterface = $container->get(ContainerInterface::class); |
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foreach ($this->extensions as $extension) { |
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$service = $extension($containerInterface, $service); |
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} |
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return $service; |
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} |
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} |
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