lion/packages/ui/components/core/browserDetection.js
2022-10-31 16:55:07 +01:00

39 lines
1.1 KiB
JavaScript

/**
* From https://stackoverflow.com/questions/4565112/javascript-how-to-find-out-if-the-user-browser-is-chrome
* @param {string} [flavor]
*/
function checkChrome(flavor = 'google-chrome') {
const isChromium = /** @type {window & { chrome?: boolean}} */ (window).chrome;
if (flavor === 'chromium') {
return isChromium;
}
const winNav = window.navigator;
const vendorName = winNav.vendor;
const isOpera = typeof (/** @type {window & { opr?: boolean}} */ (window).opr) !== 'undefined';
const isIEedge = winNav.userAgent.indexOf('Edge') > -1;
const isIOSChrome = winNav.userAgent.match('CriOS');
if (flavor === 'ios') {
return isIOSChrome;
}
if (flavor === 'google-chrome') {
return (
isChromium !== null &&
typeof isChromium !== 'undefined' &&
vendorName === 'Google Inc.' &&
isOpera === false &&
isIEedge === false
);
}
return undefined;
}
export const browserDetection = {
isIE11: /Trident/.test(window.navigator.userAgent),
isChrome: checkChrome(),
isIOSChrome: checkChrome('ios'),
isChromium: checkChrome('chromium'),
isMac: navigator.appVersion.indexOf('Mac') !== -1,
};