87 lines
2.2 KiB
PHP
87 lines
2.2 KiB
PHP
<?php
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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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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 $adoptedPromise ReactPromiseInterface */
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$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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$promise = \React\Promise\resolve($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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$promise = \React\Promise\reject($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($promisesOrValues, function ($item) {
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return $item instanceof Promise ? $item->adoptedPromise : $item;
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});
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$promise = \React\Promise\all($promisesOrValues)->then(function($values) use ($promisesOrValues) {
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$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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