@animech-public/playcanvas/build/playcanvas.dbg/src/core/platform.js

PlayCanvas WebGL game engine

var _ref, _ref2, _ref3;
// detect whether passive events are supported by the browser
const detectPassiveEvents = () => {
  let result = false;
  try {
    const opts = Object.defineProperty({}, 'passive', {
      get: function () {
        result = true;
        return false;
      }
    });
    window.addEventListener('testpassive', null, opts);
    window.removeEventListener('testpassive', null, opts);
  } catch (e) {}
  return result;
};
const ua = typeof navigator !== 'undefined' ? navigator.userAgent : '';
const environment = typeof window !== 'undefined' ? 'browser' : typeof global !== 'undefined' ? 'node' : 'worker';

// detect platform
const platformName = /android/i.test(ua) ? 'android' : /ip(?:[ao]d|hone)/i.test(ua) ? 'ios' : /windows/i.test(ua) ? 'windows' : /mac os/i.test(ua) ? 'osx' : /linux/i.test(ua) ? 'linux' : /cros/i.test(ua) ? 'cros' : null;

// detect browser
const browserName = environment !== 'browser' ? null : /Chrome\/|Chromium\/|Edg.*\//.test(ua) ? 'chrome' :
// chrome, chromium, edge
/Safari\//.test(ua) ? 'safari' :
// safari, ios chrome/firefox
/Firefox\//.test(ua) ? 'firefox' : 'other';
const xbox = /xbox/i.test(ua);
const touch = environment === 'browser' && ('ontouchstart' in window || 'maxTouchPoints' in navigator && navigator.maxTouchPoints > 0);
const gamepads = environment === 'browser' && (!!navigator.getGamepads || !!navigator.webkitGetGamepads);
const workers = typeof Worker !== 'undefined';
const passiveEvents = detectPassiveEvents();

/**
 * Global namespace that stores flags regarding platform environment and features support.
 *
 * @namespace
 * @example
 * if (pc.platform.touch) {
 *     // touch is supported
 * }
 */
const platform = {
  /**
   * String identifying the current platform. Can be one of: android, ios, windows, osx, linux,
   * cros or null.
   *
   * @type {'android' | 'ios' | 'windows' | 'osx' | 'linux' | 'cros' | null}
   * @ignore
   */
  name: platformName,
  /**
   * String identifying the current runtime environment. Either 'browser', 'node' or 'worker'.
   *
   * @type {'browser' | 'node' | 'worker'}
   */
  environment: environment,
  /**
   * The global object. This will be the window object when running in a browser and the global
   * object when running in nodejs and self when running in a worker.
   *
   * @type {object}
   */
  global: (_ref = (_ref2 = (_ref3 = typeof globalThis !== 'undefined' && globalThis) != null ? _ref3 : environment === 'browser' && window) != null ? _ref2 : environment === 'node' && global) != null ? _ref : environment === 'worker' && self,
  /**
   * Convenience boolean indicating whether we're running in the browser.
   *
   * @type {boolean}
   */
  browser: environment === 'browser',
  /**
   * True if running in a Web Worker.
   *
   * @type {boolean}
   * @ignore
   */
  worker: environment === 'worker',
  /**
   * True if running on a desktop or laptop device.
   *
   * @type {boolean}
   */
  desktop: ['windows', 'osx', 'linux', 'cros'].includes(platformName),
  /**
   * True if running on a mobile or tablet device.
   *
   * @type {boolean}
   */
  mobile: ['android', 'ios'].includes(platformName),
  /**
   * True if running on an iOS device.
   *
   * @type {boolean}
   */
  ios: platformName === 'ios',
  /**
   * True if running on an Android device.
   *
   * @type {boolean}
   */
  android: platformName === 'android',
  /**
   * True if running on an Xbox device.
   *
   * @type {boolean}
   */
  xbox: xbox,
  /**
   * True if the platform supports gamepads.
   *
   * @type {boolean}
   */
  gamepads: gamepads,
  /**
   * True if the supports touch input.
   *
   * @type {boolean}
   */
  touch: touch,
  /**
   * True if the platform supports Web Workers.
   *
   * @type {boolean}
   */
  workers: workers,
  /**
   * True if the platform supports an options object as the third parameter to
   * `EventTarget.addEventListener()` and the passive property is supported.
   *
   * @type {boolean}
   * @ignore
   */
  passiveEvents: passiveEvents,
  /**
   * Get the browser name.
   *
   * @type {'chrome' | 'safari' | 'firefox' | 'other' | null}
   * @ignore
   */
  browserName: browserName
};

export { platform };