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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Executor\Promise\Adapter; |
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use GraphQL\Executor\Promise\Promise; |
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use GraphQL\Executor\Promise\PromiseAdapter; |
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use GraphQL\Utils\Utils; |
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use React\Promise\Promise as ReactPromise; |
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use React\Promise\PromiseInterface as ReactPromiseInterface; |
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use function React\Promise\all; |
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use function React\Promise\reject; |
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use function React\Promise\resolve; |
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class ReactPromiseAdapter implements PromiseAdapter |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function isThenable($value) |
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{ |
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return $value instanceof ReactPromiseInterface; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function convertThenable($thenable) |
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{ |
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return new Promise($thenable, $this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function then(Promise $promise, ?callable $onFulfilled = null, ?callable $onRejected = null) |
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{ |
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/** @var ReactPromiseInterface $adoptedPromise */ |
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$adoptedPromise = $promise->adoptedPromise; |
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return new Promise($adoptedPromise->then($onFulfilled, $onRejected), $this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function create(callable $resolver) |
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{ |
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$promise = new ReactPromise($resolver); |
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return new Promise($promise, $this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function createFulfilled($value = null) |
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{ |
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$promise = resolve($value); |
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return new Promise($promise, $this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function createRejected($reason) |
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{ |
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$promise = reject($reason); |
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return new Promise($promise, $this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function all(array $promisesOrValues) |
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{ |
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// TODO: rework with generators when PHP minimum required version is changed to 5.5+ |
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$promisesOrValues = Utils::map( |
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$promisesOrValues, |
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static function ($item) { |
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return $item instanceof Promise ? $item->adoptedPromise : $item; |
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} |
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); |
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$promise = all($promisesOrValues)->then(static function ($values) use ($promisesOrValues) : array { |
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$orderedResults = []; |
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foreach ($promisesOrValues as $key => $value) { |
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$orderedResults[$key] = $values[$key]; |
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} |
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return $orderedResults; |
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}); |
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return new Promise($promise, $this); |
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} |
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} |
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simPod /
graphql-php
