Version 4.5.0

system/3rd_party/graphql-php/Executor/Promise/Adapter/ReactPromiseAdapter.php

@@ -0,0 +1,86 @@
+<?php
+namespace GraphQL\Executor\Promise\Adapter;
+
+use GraphQL\Executor\Promise\Promise;
+use GraphQL\Executor\Promise\PromiseAdapter;
+use GraphQL\Utils\Utils;
+use React\Promise\Promise as ReactPromise;
+use React\Promise\PromiseInterface as ReactPromiseInterface;
+
+class ReactPromiseAdapter implements PromiseAdapter
+{
+    /**
+     * @inheritdoc
+     */
+    public function isThenable($value)
+    {
+        return $value instanceof ReactPromiseInterface;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function convertThenable($thenable)
+    {
+        return new Promise($thenable, $this);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function then(Promise $promise, callable $onFulfilled = null, callable $onRejected = null)
+    {
+        /** @var $adoptedPromise ReactPromiseInterface */
+        $adoptedPromise = $promise->adoptedPromise;
+        return new Promise($adoptedPromise->then($onFulfilled, $onRejected), $this);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function create(callable $resolver)
+    {
+        $promise = new ReactPromise($resolver);
+        return new Promise($promise, $this);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function createFulfilled($value = null)
+    {
+        $promise = \React\Promise\resolve($value);
+        return new Promise($promise, $this);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function createRejected($reason)
+    {
+        $promise = \React\Promise\reject($reason);
+        return new Promise($promise, $this);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function all(array $promisesOrValues)
+    {
+        // TODO: rework with generators when PHP minimum required version is changed to 5.5+
+        $promisesOrValues = Utils::map($promisesOrValues, function ($item) {
+            return $item instanceof Promise ? $item->adoptedPromise : $item;
+        });
+
+        $promise = \React\Promise\all($promisesOrValues)->then(function($values) use ($promisesOrValues) {
+            $orderedResults = [];
+
+            foreach ($promisesOrValues as $key => $value) {
+                $orderedResults[$key] = $values[$key];
+            }
+
+            return $orderedResults;
+        });
+        return new Promise($promise, $this);
+    }
+}