const old_path = new RegExp(`/${engine}/${game_id}/?`);
const new_path = `/${engine}/${canon_id}/`;
const new_url = request.originalUrl.replace(old_path, new_path);
const old_path = new RegExp(`/${engine}/${game_id}/?`);
const new_path = `/${engine}/${canon_id}/`;
const new_url = request.originalUrl.replace(old_path, new_path);