/**
 * Shared by Main-Lobby, Main-Menu, Login, Create Room, Loading, …
 * Resolves absolute paths from site root (e.g. /Game/..., /Main-Menu/...).
 */
(function (global) {
  'use strict';
  if (typeof global.appPath === 'function') return;

  /**
   * @param {string} path - must start with / (e.g. '/Game/play.html')
   * @returns {string}
   */
  global.appPath = function appPath(path) {
    if (path == null || path === '') return '';
    var p = String(path);
    if (p.charAt(0) !== '/') return '/' + p.replace(/^\/+/, '');
    return p;
  };
})(typeof window !== 'undefined' ? window : this);