File Content: Promise.php <?php declare(strict_types=1); namespace GraphQL\Executor\Promise; use Amp\Promise as AmpPromise; use GraphQL\Error\InvariantViolation; use GraphQL\Executor\Promise\Adapter\SyncPromise; use React\Promise\PromiseInterface as ReactPromise; /** * Convenience wrapper for promises represented by Promise Adapter. */ class Promise { /** @var SyncPromise|ReactPromise<mixed>|AmpPromise<mixed> */ public $adoptedPromise; private PromiseAdapter $adapter; /** * @param mixed $adoptedPromise * * @throws InvariantViolation */ public function __construct($adoptedPromise, PromiseAdapter $adapter) { if ($adoptedPromise instanceof self) { throw new InvariantViolation('Expecting promise from adapted system, got ' . self::class); } $this->adoptedPromise = $adoptedPromise; $this->adapter = $adapter; } public function then(?callable $onFulfilled = null, ?callable $onRejected = null): Promise { return $this->adapter->then($this, $onFulfilled, $onRejected); } } Submit