la_bot_back/resources/main/js/tg.js

import {TgApp} from "./tg_app/TgApp.js";
import Router from "./tg_app/Router.js";
document.addEventListener("DOMContentLoaded", () => {
    let tg = window.Telegram.WebApp;
    let tgApp = new TgApp("tg_app", tg.initDataUnsafe.user.id);

    const router = new Router({
        mode: 'hash',
        root: '/miniapp'
    });

    router
        .add('', () => {
            tgApp.actionMain();
        });

});