Bolt\Asset\Widget\Queue::countItemsInQueue PHP Method

    public function countItemsInQueue($location, $zone = Zone::FRONTEND)
    {
        $count = 0;
        foreach ($this->queue as $widget) {
            if ($widget->getZone() === $zone && $widget->getLocation() === $location) {
                $count++;
            }
        }
        return $count;
    }