@animech-public/playcanvas
Version:
PlayCanvas WebGL game engine
44 lines (42 loc) • 2.04 kB
JavaScript
var _ref, _ref2, _ref3;
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';
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;
const browserName = environment !== 'browser' ? null : /Chrome\/|Chromium\/|Edg.*\//.test(ua) ? 'chrome' : /Safari\//.test(ua) ? 'safari' : /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();
const platform = {
name: platformName,
environment: environment,
global: (_ref = (_ref2 = (_ref3 = typeof globalThis !== 'undefined' && globalThis) != null ? _ref3 : environment === 'browser' && window) != null ? _ref2 : environment === 'node' && global) != null ? _ref : environment === 'worker' && self,
browser: environment === 'browser',
worker: environment === 'worker',
desktop: ['windows', 'osx', 'linux', 'cros'].includes(platformName),
mobile: ['android', 'ios'].includes(platformName),
ios: platformName === 'ios',
android: platformName === 'android',
xbox: xbox,
gamepads: gamepads,
touch: touch,
workers: workers,
passiveEvents: passiveEvents,
browserName: browserName
};
export { platform };