<?php

namespace GuzzleHttp\Promise;

/**
 *
 * @package JMAP::FRAMEWORK::administrator::components::com_jmap
 * @subpackage framework
 * @subpackage google
 * @author Joomla! Extensions Store
 * @copyright (C) 2021 - Joomla! Extensions Store
 * @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
 */
defined ( '_JEXEC' ) or die ();

final class Is
{
    /**
     * Returns true if a promise is pending.
     *
     * @return bool
     */
    public static function pending(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled or rejected.
     *
     * @return bool
     */
    public static function settled(PromiseInterface $promise)
    {
        return $promise->getState() !== PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled.
     *
     * @return bool
     */
    public static function fulfilled(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::FULFILLED;
    }

    /**
     * Returns true if a promise is rejected.
     *
     * @return bool
     */
    public static function rejected(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::REJECTED;
    }
}
