/**
* @file browser.js
* @module browser
*/
import * as Dom from './dom';
import window from 'global/window';
/**
* Whether or not this device is an iPod.
*
* @static
* @type {Boolean}
*/
export let IS_IPOD = false;
/**
* The detected iOS version - or `null`.
*
* @static
* @type {string|null}
*/
export let IOS_VERSION = null;
/**
* Whether or not this is an Android device.
*
* @static
* @type {Boolean}
*/
export let IS_ANDROID = false;
/**
* The detected Android version - or `null` if not Android or indeterminable.
*
* @static
* @type {number|string|null}
*/
export let ANDROID_VERSION;
/**
* Whether or not this is Mozilla Firefox.
*
* @static
* @type {Boolean}
*/
export let IS_FIREFOX = false;
/**
* Whether or not this is Microsoft Edge.
*
* @static
* @type {Boolean}
*/
export let IS_EDGE = false;
/**
* Whether or not this is any Chromium Browser
*
* @static
* @type {Boolean}
*/
export let IS_CHROMIUM = false;
/**
* Whether or not this is any Chromium browser that is not Edge.
*
* This will also be `true` for Chrome on iOS, which will have different support
* as it is actually Safari under the hood.
*
* Deprecated, as the behaviour to not match Edge was to prevent Legacy Edge's UA matching.
* IS_CHROMIUM should be used instead.
* "Chromium but not Edge" could be explicitly tested with IS_CHROMIUM && !IS_EDGE
*
* @static
* @deprecated
* @type {Boolean}
*/
export let IS_CHROME = false;
/**
* The detected Chromium version - or `null`.
*
* @static
* @type {number|null}
*/
export let CHROMIUM_VERSION = null;
/**
* The detected Google Chrome version - or `null`.
* This has always been the _Chromium_ version, i.e. would return on Chromium Edge.
* Deprecated, use CHROMIUM_VERSION instead.
*
* @static
* @deprecated
* @type {number|null}
*/
export let CHROME_VERSION = null;
/**
* Whether or not this is a Chromecast receiver application.
*
* @static
* @type {Boolean}
*/
export const IS_CHROMECAST_RECEIVER = Boolean(window.cast && window.cast.framework && window.cast.framework.CastReceiverContext);
/**
* The detected Internet Explorer version - or `null`.
*
* @static
* @deprecated
* @type {number|null}
*/
export let IE_VERSION = null;
/**
* Whether or not this is desktop Safari.
*
* @static
* @type {Boolean}
*/
export let IS_SAFARI = false;
/**
* Whether or not this is a Windows machine.
*
* @static
* @type {Boolean}
*/
export let IS_WINDOWS = false;
/**
* Whether or not this device is an iPad.
*
* @static
* @type {Boolean}
*/
export let IS_IPAD = false;
/**
* Whether or not this device is an iPhone.
*
* @static
* @type {Boolean}
*/
// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
// to identify iPhones, we need to exclude iPads.
// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
export let IS_IPHONE = false;
/**
* Whether or not this is a Tizen device.
*
* @static
* @type {Boolean}
*/
export let IS_TIZEN = false;
/**
* Whether or not this is a WebOS device.
*
* @static
* @type {Boolean}
*/
export let IS_WEBOS = false;
/**
* Whether or not this is a Smart TV (Tizen or WebOS) device.
*
* @static
* @type {Boolean}
*/
export let IS_SMART_TV = false;
/**
* Whether or not this device is touch-enabled.
*
* @static
* @const
* @type {Boolean}
*/
export const TOUCH_ENABLED = Boolean(Dom.isReal() && (
'ontouchstart' in window ||
window.navigator.maxTouchPoints ||
window.DocumentTouch && window.document instanceof window.DocumentTouch));
const UAD = window.navigator && window.navigator.userAgentData;
if (UAD && UAD.platform && UAD.brands) {
// If userAgentData is present, use it instead of userAgent to avoid warnings
// Currently only implemented on Chromium
// userAgentData does not expose Android version, so ANDROID_VERSION remains `null`
IS_ANDROID = UAD.platform === 'Android';
IS_EDGE = Boolean(UAD.brands.find(b => b.brand === 'Microsoft Edge'));
IS_CHROMIUM = Boolean(UAD.brands.find(b => b.brand === 'Chromium'));
IS_CHROME = !IS_EDGE && IS_CHROMIUM;
CHROMIUM_VERSION = CHROME_VERSION = (UAD.brands.find(b => b.brand === 'Chromium') || {}).version || null;
IS_WINDOWS = UAD.platform === 'Windows';
}
// If the browser is not Chromium, either userAgentData is not present which could be an old Chromium browser,
// or it's a browser that has added userAgentData since that we don't have tests for yet. In either case,
// the checks need to be made agiainst the regular userAgent string.
if (!IS_CHROMIUM) {
const USER_AGENT = window.navigator && window.navigator.userAgent || '';
IS_IPOD = (/iPod/i).test(USER_AGENT);
IOS_VERSION = (function() {
const match = USER_AGENT.match(/OS (\d+)_/i);
if (match && match[1]) {
return match[1];
}
return null;
}());
IS_ANDROID = (/Android/i).test(USER_AGENT);
ANDROID_VERSION = (function() {
// This matches Android Major.Minor.Patch versions
// ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
const match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
if (!match) {
return null;
}
const major = match[1] && parseFloat(match[1]);
const minor = match[2] && parseFloat(match[2]);
if (major && minor) {
return parseFloat(match[1] + '.' + match[2]);
} else if (major) {
return major;
}
return null;
}());
IS_FIREFOX = (/Firefox/i).test(USER_AGENT);
IS_EDGE = (/Edg/i).test(USER_AGENT);
IS_CHROMIUM = ((/Chrome/i).test(USER_AGENT) || (/CriOS/i).test(USER_AGENT));
IS_CHROME = !IS_EDGE && IS_CHROMIUM;
CHROMIUM_VERSION = CHROME_VERSION = (function() {
const match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);
if (match && match[2]) {
return parseFloat(match[2]);
}
return null;
}());
IE_VERSION = (function() {
const result = (/MSIE\s(\d+)\.\d/).exec(USER_AGENT);
let version = result && parseFloat(result[1]);
if (!version && (/Trident\/7.0/i).test(USER_AGENT) && (/rv:11.0/).test(USER_AGENT)) {
// IE 11 has a different user agent string than other IE versions
version = 11.0;
}
return version;
}());
IS_TIZEN = (/Tizen/i).test(USER_AGENT);
IS_WEBOS = (/Web0S/i).test(USER_AGENT);
IS_SMART_TV = IS_TIZEN || IS_WEBOS;
IS_SAFARI = (/Safari/i).test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE && !IS_SMART_TV;
IS_WINDOWS = (/Windows/i).test(USER_AGENT);
IS_IPAD = (/iPad/i).test(USER_AGENT) ||
(IS_SAFARI && TOUCH_ENABLED && !(/iPhone/i).test(USER_AGENT));
IS_IPHONE = (/iPhone/i).test(USER_AGENT) && !IS_IPAD;
}
/**
* Whether or not this is an iOS device.
*
* @static
* @const
* @type {Boolean}
*/
export const IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
/**
* Whether or not this is any flavor of Safari - including iOS.
*
* @static
* @const
* @type {Boolean}
*/
export const IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;