FRHD Grid Colour Changer

// ==UserScript==
// @name         frhd grid colour changer
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  Changes the grid color
// @author       revelcw
// @match        https://www.freeriderhd.com
// @include /^https?:\/\/(www\.)?freeriderhd\.com
// @icon         https://www.google.com/s2/favicons?domain=freeriderhd.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    let url;
    setInterval(() => {
        if (
            window.location.href !== url &&
            window.location.href.startsWith('https://www.freeriderhd.com/create')
        ) {
            main();
        }
        url = window.location.href;
    }, 1000);

    const main = async () => {
        let timer = setInterval(() => {
            if (
                document.querySelector(
                    '#game-container > div > div.topMenu.unselectable'
                )
            ) {
                clearInterval(timer);
// below here in the grid major line color, place the hex code (simplified only) in place of #0FF.
                GameManager.game.currentScene.toolHandler.options.gridMajorLineColor = '#0FF';
            }
        });
    };
})();