Automattic\WooCommerce\Vendor\GraphQL\Executor\Promise\Adapter

AmpFutureAdapter::then │ public │ WC 1.0

Method of the class: AmpFutureAdapter{}

No Hooks.

Returns

null. Nothing (null).

Usage

$AmpFutureAdapter = new AmpFutureAdapter();
$AmpFutureAdapter->then( $promise, ?callable $onFulfilled, ?callable $onRejected ): Promise;

$promise(Promise) (required)

.

?callable $onFulfilled

.
Default: null

?callable $onRejected

.
Default: null

AmpFutureAdapter::then() AmpFutureAdapter::then code ^{WC 10.9.1}

public function then(Promise $promise, ?callable $onFulfilled = null, ?callable $onRejected = null): Promise
{
    $future = $promise->adoptedPromise;
    assert($future instanceof Future);

    $next = async(static function () use ($future, $onFulfilled, $onRejected) {
        try {
            $value = $future->await();
        } catch (\Throwable $reason) {
            if ($onRejected === null) {
                throw $reason;
            }

            return static::unwrapResult($onRejected($reason));
        }

        if ($onFulfilled === null) {
            return $value;
        }

        return static::unwrapResult($onFulfilled($value));
    });

    return new Promise($next, $this);
}