diff options
Diffstat (limited to 'vendor/guzzlehttp/promises/src/FulfilledPromise.php')
-rw-r--r-- | vendor/guzzlehttp/promises/src/FulfilledPromise.php | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/promises/src/FulfilledPromise.php b/vendor/guzzlehttp/promises/src/FulfilledPromise.php new file mode 100644 index 000000000..ab7129659 --- /dev/null +++ b/vendor/guzzlehttp/promises/src/FulfilledPromise.php @@ -0,0 +1,89 @@ +<?php + +declare(strict_types=1); + +namespace GuzzleHttp\Promise; + +/** + * A promise that has been fulfilled. + * + * Thenning off of this promise will invoke the onFulfilled callback + * immediately and ignore other callbacks. + * + * @final + */ +class FulfilledPromise implements PromiseInterface +{ + private $value; + + /** + * @param mixed $value + */ + public function __construct($value) + { + if (is_object($value) && method_exists($value, 'then')) { + throw new \InvalidArgumentException( + 'You cannot create a FulfilledPromise with a promise.' + ); + } + + $this->value = $value; + } + + public function then( + callable $onFulfilled = null, + callable $onRejected = null + ): PromiseInterface { + // Return itself if there is no onFulfilled function. + if (!$onFulfilled) { + return $this; + } + + $queue = Utils::queue(); + $p = new Promise([$queue, 'run']); + $value = $this->value; + $queue->add(static function () use ($p, $value, $onFulfilled): void { + if (Is::pending($p)) { + try { + $p->resolve($onFulfilled($value)); + } catch (\Throwable $e) { + $p->reject($e); + } + } + }); + + return $p; + } + + public function otherwise(callable $onRejected): PromiseInterface + { + return $this->then(null, $onRejected); + } + + public function wait(bool $unwrap = true) + { + return $unwrap ? $this->value : null; + } + + public function getState(): string + { + return self::FULFILLED; + } + + public function resolve($value): void + { + if ($value !== $this->value) { + throw new \LogicException('Cannot resolve a fulfilled promise'); + } + } + + public function reject($reason): void + { + throw new \LogicException('Cannot reject a fulfilled promise'); + } + + public function cancel(): void + { + // pass + } +} |