Reopen card page after login

NSReloadCardPageAfterLogin

// ==UserScript==
// @name         NSReloadCardPageAfterLogin
// @namespace    sitethiefs-ns-scripts
// @version      0.1.experimental
// @description  Reopen card page after login, works best combined with a login script
// @author       Sitethief of Vylixan
// @copyright    MIT https://opensource.org/licenses/MIT
// @match        https://www.nationstates.net/page=deck/card=*/*
// @match        https://www.nationstates.net/*/page=deck/card=*/*
// @match        https://www.nationstates.net/*
// @match        https://www.nationstates.net
// @icon         https://www.google.com/s2/favicons?sz=64&domain=nationstates.net
// @grant        GM.getValue
// @grant        GM.setValue
// @require      https://craig.global.ssl.fastly.net/js/mousetrap/mousetrap.min.js?a4098
// ==/UserScript==
/*
 * Copyright (c) 2023 Sitethief <sitethief at gmail.com>
 * This file is licensed under the MIT license.
 * https://opensource.org/licenses/MIT for more details.
 */
(function () {
    'use strict';

    /**
     *
     * Start of customizable options
     *
     **/

    const key = "enter"; // Key to use, enter would work best

    /**
     *
     * End of customizable options
     *
     **/

    let url = document.URL;
    let loggedinBody = document.getElementById("loggedin");

    function noinput_mousetrap(event) {
        if (event.target.classList.contains("mousetrap")) {
            event.preventDefault();
            event.stopPropagation();
        }
    }

    async function recordCardPage() {
        await GM.setValue('NSReloadCardPageAfterLogin_cardpage', url);
    }

    async function reopenpage() {
        let cardpage = await GM.getValue('NSReloadCardPageAfterLogin_cardpage', null);
        if (cardpage && !url.includes('page=deck') && cardpage.includes('page=deck')) {
            await GM.setValue('NSReloadCardPageAfterLogin_cardpage', null);
            window.location.href = cardpage;
        }
    }

    if (loggedinBody && !url.includes('page=deck')) {
        Mousetrap.bind([key], function (ev) {
            noinput_mousetrap(ev);
            reopenpage();
        })
    } else {
        recordCardPage();
    }

})();