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

SyncPromiseAdapter::all │ public │ WC 1.0

Method of the class: SyncPromiseAdapter{}

No Hooks.

Returns

null. Nothing (null).

Usage

$SyncPromiseAdapter = new SyncPromiseAdapter();
$SyncPromiseAdapter->all( $promisesOrValues ): Promise;

$promisesOrValues(iterable) (required)

.

SyncPromiseAdapter::all() SyncPromiseAdapter::all code ^{WC 10.9.1}

public function all(iterable $promisesOrValues): Promise
{
    $all = new SyncPromise();

    $total = is_array($promisesOrValues)
        ? count($promisesOrValues)
        : iterator_count($promisesOrValues);
    $count = 0;
    $result = [];

    $resolveAllWhenFinished = function () use (&$count, &$total, $all, &$result): void {
        if ($count === $total) {
            $all->resolve($result);
        }
    };

    foreach ($promisesOrValues as $index => $promiseOrValue) {
        if ($promiseOrValue instanceof Promise) {
            $result[$index] = null;
            $promiseOrValue->then(
                static function ($value) use (&$result, $index, &$count, &$resolveAllWhenFinished): void {
                    $result[$index] = $value;
                    ++$count;
                    $resolveAllWhenFinished();
                },
                [$all, 'reject']
            );
            continue;
        }

        $result[$index] = $promiseOrValue;
        ++$count;
    }

    $resolveAllWhenFinished();

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