planet-wars/frontend/www/index.js

import { Game } from "planetwars";

const URL = window.location.origin+window.location.pathname;
const LOCATION = URL.substring(0, URL.lastIndexOf("/") + 1);

const game_location = LOCATION + "static/game.json";

fetch(game_location)
    .then((r) => r.text())
    .then((response) => {
        console.log(response);
        let game = Game.new(response);
        console.log(game.turn_count());
    }).catch(console.error);