diff options
Diffstat (limited to 'assets/php/vendor/react/promise/src/functions.php')
| -rw-r--r-- | assets/php/vendor/react/promise/src/functions.php | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/assets/php/vendor/react/promise/src/functions.php b/assets/php/vendor/react/promise/src/functions.php new file mode 100644 index 0000000..70c0eb7 --- /dev/null +++ b/assets/php/vendor/react/promise/src/functions.php @@ -0,0 +1,244 @@ +<?php + +namespace React\Promise; + +function resolve($promiseOrValue = null) +{ + if ($promiseOrValue instanceof ExtendedPromiseInterface) { + return $promiseOrValue; + } + + if (method_exists($promiseOrValue, 'then')) { + $canceller = null; + + if (method_exists($promiseOrValue, 'cancel')) { + $canceller = [$promiseOrValue, 'cancel']; + } + + return new Promise(function ($resolve, $reject, $notify) use ($promiseOrValue) { + $promiseOrValue->then($resolve, $reject, $notify); + }, $canceller); + } + + return new FulfilledPromise($promiseOrValue); +} + +function reject($promiseOrValue = null) +{ + if ($promiseOrValue instanceof PromiseInterface) { + return resolve($promiseOrValue)->then(function ($value) { + return new RejectedPromise($value); + }); + } + + return new RejectedPromise($promiseOrValue); +} + +function all($promisesOrValues) +{ + return map($promisesOrValues, function ($val) { + return $val; + }); +} + +function race($promisesOrValues) +{ + $cancellationQueue = new CancellationQueue(); + $cancellationQueue->enqueue($promisesOrValues); + + return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $cancellationQueue) { + resolve($promisesOrValues) + ->done(function ($array) use ($cancellationQueue, $resolve, $reject, $notify) { + if (!is_array($array) || !$array) { + $resolve(); + return; + } + + foreach ($array as $promiseOrValue) { + $cancellationQueue->enqueue($promiseOrValue); + + resolve($promiseOrValue) + ->done($resolve, $reject, $notify); + } + }, $reject, $notify); + }, $cancellationQueue); +} + +function any($promisesOrValues) +{ + return some($promisesOrValues, 1) + ->then(function ($val) { + return array_shift($val); + }); +} + +function some($promisesOrValues, $howMany) +{ + $cancellationQueue = new CancellationQueue(); + $cancellationQueue->enqueue($promisesOrValues); + + return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $howMany, $cancellationQueue) { + resolve($promisesOrValues) + ->done(function ($array) use ($howMany, $cancellationQueue, $resolve, $reject, $notify) { + if (!is_array($array) || $howMany < 1) { + $resolve([]); + return; + } + + $len = count($array); + + if ($len < $howMany) { + throw new Exception\LengthException( + sprintf( + 'Input array must contain at least %d item%s but contains only %s item%s.', + $howMany, + 1 === $howMany ? '' : 's', + $len, + 1 === $len ? '' : 's' + ) + ); + } + + $toResolve = $howMany; + $toReject = ($len - $toResolve) + 1; + $values = []; + $reasons = []; + + foreach ($array as $i => $promiseOrValue) { + $fulfiller = function ($val) use ($i, &$values, &$toResolve, $toReject, $resolve) { + if ($toResolve < 1 || $toReject < 1) { + return; + } + + $values[$i] = $val; + + if (0 === --$toResolve) { + $resolve($values); + } + }; + + $rejecter = function ($reason) use ($i, &$reasons, &$toReject, $toResolve, $reject) { + if ($toResolve < 1 || $toReject < 1) { + return; + } + + $reasons[$i] = $reason; + + if (0 === --$toReject) { + $reject($reasons); + } + }; + + $cancellationQueue->enqueue($promiseOrValue); + + resolve($promiseOrValue) + ->done($fulfiller, $rejecter, $notify); + } + }, $reject, $notify); + }, $cancellationQueue); +} + +function map($promisesOrValues, callable $mapFunc) +{ + $cancellationQueue = new CancellationQueue(); + $cancellationQueue->enqueue($promisesOrValues); + + return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $mapFunc, $cancellationQueue) { + resolve($promisesOrValues) + ->done(function ($array) use ($mapFunc, $cancellationQueue, $resolve, $reject, $notify) { + if (!is_array($array) || !$array) { + $resolve([]); + return; + } + + $toResolve = count($array); + $values = []; + + foreach ($array as $i => $promiseOrValue) { + $cancellationQueue->enqueue($promiseOrValue); + $values[$i] = null; + + resolve($promiseOrValue) + ->then($mapFunc) + ->done( + function ($mapped) use ($i, &$values, &$toResolve, $resolve) { + $values[$i] = $mapped; + + if (0 === --$toResolve) { + $resolve($values); + } + }, + $reject, + $notify + ); + } + }, $reject, $notify); + }, $cancellationQueue); +} + +function reduce($promisesOrValues, callable $reduceFunc, $initialValue = null) +{ + $cancellationQueue = new CancellationQueue(); + $cancellationQueue->enqueue($promisesOrValues); + + return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $reduceFunc, $initialValue, $cancellationQueue) { + resolve($promisesOrValues) + ->done(function ($array) use ($reduceFunc, $initialValue, $cancellationQueue, $resolve, $reject, $notify) { + if (!is_array($array)) { + $array = []; + } + + $total = count($array); + $i = 0; + + // Wrap the supplied $reduceFunc with one that handles promises and then + // delegates to the supplied. + $wrappedReduceFunc = function ($current, $val) use ($reduceFunc, $cancellationQueue, $total, &$i) { + $cancellationQueue->enqueue($val); + + return $current + ->then(function ($c) use ($reduceFunc, $total, &$i, $val) { + return resolve($val) + ->then(function ($value) use ($reduceFunc, $total, &$i, $c) { + return $reduceFunc($c, $value, $i++, $total); + }); + }); + }; + + $cancellationQueue->enqueue($initialValue); + + array_reduce($array, $wrappedReduceFunc, resolve($initialValue)) + ->done($resolve, $reject, $notify); + }, $reject, $notify); + }, $cancellationQueue); +} + +// Internal functions +function _checkTypehint(callable $callback, $object) +{ + if (!is_object($object)) { + return true; + } + + if (is_array($callback)) { + $callbackReflection = new \ReflectionMethod($callback[0], $callback[1]); + } elseif (is_object($callback) && !$callback instanceof \Closure) { + $callbackReflection = new \ReflectionMethod($callback, '__invoke'); + } else { + $callbackReflection = new \ReflectionFunction($callback); + } + + $parameters = $callbackReflection->getParameters(); + + if (!isset($parameters[0])) { + return true; + } + + $expectedException = $parameters[0]; + + if (!$expectedException->getClass()) { + return true; + } + + return $expectedException->getClass()->isInstance($object); +} |