A web browser detector.
/*!
* Bowser - a browser detector
* https://github.com/ded/bowser
* MIT License | (c) Dustin Diaz 2015
*/
!function(root, name, definition) {
if (typeof module != 'undefined' && module.exports) module.exports = definition()
else if (typeof define == 'function' && define.amd) define(name, definition)
else root[name] = definition()
}(this, 'bowser', function() {
/**
* See <https://github.com/lancedikson/bowser/blob/master/src/useragents.js>
* for example "window.navigator.userAgent" values.
*/
var t = true
function detect(ua) {
function getFirstMatch(regex) {
var match = ua.match(regex);
return (match && match.length > 1 && match[1]) || '';
}
function getSecondMatch(regex) {
var match = ua.match(regex);
return (match && match.length > 1 && match[2]) || '';
}
var iosdevice = getFirstMatch(/(ipod|iphone|ipad)/i).toLowerCase(),
likeAndroid = /like android/i.test(ua),
android = !likeAndroid && /android/i.test(ua),
nexusMobile = /nexus\s*[0-6]\s*/i.test(ua),
nexusTablet = !nexusMobile && /nexus\s*[0-9]+/i.test(ua),
chromeos = /CrOS/.test(ua),
silk = /silk/i.test(ua),
sailfish = /sailfish/i.test(ua),
tizen = /tizen/i.test(ua),
webos = /(web|hpw)os/i.test(ua),
windowsphone = /windows phone/i.test(ua),
samsungBrowser = /SamsungBrowser/i.test(ua),
windows = !windowsphone && /windows/i.test(ua),
mac = !iosdevice && !silk && /macintosh/i.test(ua),
linux = !android && !sailfish && !tizen && !webos && /linux/i.test(ua),
edgeVersion = getSecondMatch(/edg([ea]|ios)\/(\d+(\.\d+)?)/i),
versionIdentifier = getFirstMatch(/version\/(\d+(\.\d+)?)/i),
tablet = /tablet/i.test(ua) && !/tablet pc/i.test(ua),
mobile = !tablet && /[^-]mobi/i.test(ua),
xbox = /xbox/i.test(ua),
result
if (/opera/i.test(ua)) {
// an old Opera
result = {
name: 'Opera',
opera: t,
version: versionIdentifier || getFirstMatch(/(?:opera|opr|opios)[\s\/](\d+(\.\d+)?)/i)
}
} else if (/opr\/|opios/i.test(ua)) {
// a new Opera
result = {
name: 'Opera',
opera: t,
version: getFirstMatch(/(?:opr|opios)[\s\/](\d+(\.\d+)?)/i) || versionIdentifier
}
} else if (/SamsungBrowser/i.test(ua)) {
result = {
name: 'Samsung Internet for Android',
samsungBrowser: t,
version: versionIdentifier || getFirstMatch(/(?:SamsungBrowser)[\s\/](\d+(\.\d+)?)/i)
}
} else if (/coast/i.test(ua)) {
result = {
name: 'Opera Coast',
coast: t,
version: versionIdentifier || getFirstMatch(/(?:coast)[\s\/](\d+(\.\d+)?)/i)
}
} else if (/yabrowser/i.test(ua)) {
result = {
name: 'Yandex Browser',
yandexbrowser: t,
version: versionIdentifier || getFirstMatch(/(?:yabrowser)[\s\/](\d+(\.\d+)?)/i)
}
} else if (/ucbrowser/i.test(ua)) {
result = {
name: 'UC Browser',
ucbrowser: t,
version: getFirstMatch(/(?:ucbrowser)[\s\/](\d+(?:\.\d+)+)/i)
}
} else if (/mxios/i.test(ua)) {
result = {
name: 'Maxthon',
maxthon: t,
version: getFirstMatch(/(?:mxios)[\s\/](\d+(?:\.\d+)+)/i)
}
} else if (/epiphany/i.test(ua)) {
result = {
name: 'Epiphany',
epiphany: t,
version: getFirstMatch(/(?:epiphany)[\s\/](\d+(?:\.\d+)+)/i)
}
} else if (/puffin/i.test(ua)) {
result = {
name: 'Puffin',
puffin: t,
version: getFirstMatch(/(?:puffin)[\s\/](\d+(?:\.\d+)?)/i)
}
} else if (/sleipnir/i.test(ua)) {
result = {
name: 'Sleipnir',
sleipnir: t,
version: getFirstMatch(/(?:sleipnir)[\s\/](\d+(?:\.\d+)+)/i)
}
} else if (/k-meleon/i.test(ua)) {
result = {
name: 'K-Meleon',
kMeleon: t,
version: getFirstMatch(/(?:k-meleon)[\s\/](\d+(?:\.\d+)+)/i)
}
} else if (windowsphone) {
result = {
name: 'Windows Phone',
osname: 'Windows Phone',
windowsphone: t
}
if (edgeVersion) {
result.msedge = t
result.version = edgeVersion
} else {
result.msie = t
result.version = getFirstMatch(/iemobile\/(\d+(\.\d+)?)/i)
}
} else if (/msie|trident/i.test(ua)) {
result = {
name: 'Internet Explorer',
msie: t,
version: getFirstMatch(/(?:msie |rv:)(\d+(\.\d+)?)/i)
}
} else if (chromeos) {
result = {
name: 'Chrome',
osname: 'Chrome OS',
chromeos: t,
chromeBook: t,
chrome: t,
version: getFirstMatch(/(?:chrome|crios|crmo)\/(\d+(\.\d+)?)/i)
}
} else if (/edg([ea]|ios)/i.test(ua)) {
result = {
name: 'Microsoft Edge',
msedge: t,
version: edgeVersion
}
} else if (/vivaldi/i.test(ua)) {
result = {
name: 'Vivaldi',
vivaldi: t,
version: getFirstMatch(/vivaldi\/(\d+(\.\d+)?)/i) || versionIdentifier
}
} else if (sailfish) {
result = {
name: 'Sailfish',
osname: 'Sailfish OS',
sailfish: t,
version: getFirstMatch(/sailfish\s?browser\/(\d+(\.\d+)?)/i)
}
} else if (/seamonkey\//i.test(ua)) {
result = {
name: 'SeaMonkey',
seamonkey: t,
version: getFirstMatch(/seamonkey\/(\d+(\.\d+)?)/i)
}
} else if (/firefox|iceweasel|fxios/i.test(ua)) {
result = {
name: 'Firefox',
firefox: t,
version: getFirstMatch(/(?:firefox|iceweasel|fxios)[ \/](\d+(\.\d+)?)/i)
}
if (/\((mobile|tablet);[^\)]*rv:[\d\.]+\)/i.test(ua)) {
result.firefoxos = t
result.osname = 'Firefox OS'
}
} else if (silk) {
result = {
name: 'Amazon Silk',
silk: t,
version: getFirstMatch(/silk\/(\d+(\.\d+)?)/i)
}
} else if (/phantom/i.test(ua)) {
result = {
name: 'PhantomJS',
phantom: t,
version: getFirstMatch(/phantomjs\/(\d+(\.\d+)?)/i)
}
} else if (/slimerjs/i.test(ua)) {
result = {
name: 'SlimerJS',
slimer: t,
version: getFirstMatch(/slimerjs\/(\d+(\.\d+)?)/i)
}
} else if (/blackberry|\bbb\d+/i.test(ua) || /rim\stablet/i.test(ua)) {
result = {
name: 'BlackBerry',
osname: 'BlackBerry OS',
blackberry: t,
version: versionIdentifier || getFirstMatch(/blackberry[\d]+\/(\d+(\.\d+)?)/i)
}
} else if (webos) {
result = {
name: 'WebOS',
osname: 'WebOS',
webos: t,
version: versionIdentifier || getFirstMatch(/w(?:eb)?osbrowser\/(\d+(\.\d+)?)/i)
};
/touchpad\//i.test(ua) && (result.touchpad = t)
} else if (/bada/i.test(ua)) {
result = {
name: 'Bada',
osname: 'Bada',
bada: t,
version: getFirstMatch(/dolfin\/(\d+(\.\d+)?)/i)
};
} else if (tizen) {
result = {
name: 'Tizen',
osname: 'Tizen',
tizen: t,
version: getFirstMatch(/(?:tizen\s?)?browser\/(\d+(\.\d+)?)/i) || versionIdentifier
};
} else if (/qupzilla/i.test(ua)) {
result = {
name: 'QupZilla',
qupzilla: t,
version: getFirstMatch(/(?:qupzilla)[\s\/](\d+(?:\.\d+)+)/i) || versionIdentifier
}
} else if (/chromium/i.test(ua)) {
result = {
name: 'Chromium',
chromium: t,
version: getFirstMatch(/(?:chromium)[\s\/](\d+(?:\.\d+)?)/i) || versionIdentifier
}
} else if (/chrome|crios|crmo/i.test(ua)) {
result = {
name: 'Chrome',
chrome: t,
version: getFirstMatch(/(?:chrome|crios|crmo)\/(\d+(\.\d+)?)/i)
}
} else if (android) {
result = {
name: 'Android',
version: versionIdentifier
}
} else if (/safari|applewebkit/i.test(ua)) {
result = {
name: 'Safari',
safari: t
}
if (versionIdentifier) {
result.version = versionIdentifier
}
} else if (iosdevice) {
result = {
name: iosdevice == 'iphone' ? 'iPhone' : iosdevice == 'ipad' ? 'iPad' : 'iPod'
}
// WTF: version is not part of user agent in web apps
if (versionIdentifier) {
result.version = versionIdentifier
}
} else if (/googlebot/i.test(ua)) {
result = {
name: 'Googlebot',
googlebot: t,
version: getFirstMatch(/googlebot\/(\d+(\.\d+))/i) || versionIdentifier
}
} else {
result = {
name: getFirstMatch(/^(.*)\/(.*) /),
version: getSecondMatch(/^(.*)\/(.*) /)
};
}
// set webkit or gecko flag for browsers based on these engines
if (!result.msedge && /(apple)?webkit/i.test(ua)) {
if (/(apple)?webkit\/537\.36/i.test(ua)) {
result.name = result.name || "Blink"
result.blink = t
} else {
result.name = result.name || "Webkit"
result.webkit = t
}
if (!result.version && versionIdentifier) {
result.version = versionIdentifier
}
} else if (!result.opera && /gecko\//i.test(ua)) {
result.name = result.name || "Gecko"
result.gecko = t
result.version = result.version || getFirstMatch(/gecko\/(\d+(\.\d+)?)/i)
}
// set OS flags for platforms that have multiple browsers
if (!result.windowsphone && (android || result.silk)) {
result.android = t
result.osname = 'Android'
} else if (!result.windowsphone && iosdevice) {
result[iosdevice] = t
result.ios = t
result.osname = 'iOS'
} else if (mac) {
result.mac = t
result.osname = 'macOS'
} else if (xbox) {
result.xbox = t
result.osname = 'Xbox'
} else if (windows) {
result.windows = t
result.osname = 'Windows'
} else if (linux) {
result.linux = t
result.osname = 'Linux'
}
function getWindowsVersion(s) {
switch (s) {
case 'NT':
return 'NT'
case 'XP':
return 'XP'
case 'NT 5.0':
return '2000'
case 'NT 5.1':
return 'XP'
case 'NT 5.2':
return '2003'
case 'NT 6.0':
return 'Vista'
case 'NT 6.1':
return '7'
case 'NT 6.2':
return '8'
case 'NT 6.3':
return '8.1'
case 'NT 10.0':
return '10'
default:
return undefined
}
}
// OS version extraction
var osVersion = '';
if (result.windows) {
osVersion = getWindowsVersion(getFirstMatch(/Windows ((NT|XP)( \d\d?.\d)?)/i))
} else if (result.windowsphone) {
osVersion = getFirstMatch(/windows phone (?:os)?\s?(\d+(\.\d+)*)/i);
} else if (result.mac) {
osVersion = getFirstMatch(/Mac OS X (\d+([_\.\s]\d+)*)/i);
osVersion = osVersion.replace(/[_\s]/g, '.');
} else if (iosdevice) {
osVersion = getFirstMatch(/os (\d+([_\s]\d+)*) like mac os x/i);
osVersion = osVersion.replace(/[_\s]/g, '.');
} else if (android) {
osVersion = getFirstMatch(/android[ \/-](\d+(\.\d+)*)/i);
} else if (result.webos) {
osVersion = getFirstMatch(/(?:web|hpw)os\/(\d+(\.\d+)*)/i);
} else if (result.blackberry) {
osVersion = getFirstMatch(/rim\stablet\sos\s(\d+(\.\d+)*)/i);
} else if (result.bada) {
osVersion = getFirstMatch(/bada\/(\d+(\.\d+)*)/i);
} else if (result.tizen) {
osVersion = getFirstMatch(/tizen[\/\s](\d+(\.\d+)*)/i);
}
if (osVersion) {
result.osversion = osVersion;
}
// device type extraction
var osMajorVersion = !result.windows && osVersion.split('.')[0];
if (
tablet ||
nexusTablet ||
iosdevice == 'ipad' ||
(android && (osMajorVersion == 3 || (osMajorVersion >= 4 && !mobile))) ||
result.silk
) {
result.tablet = t
} else if (
mobile ||
iosdevice == 'iphone' ||
iosdevice == 'ipod' ||
android ||
nexusMobile ||
result.blackberry ||
result.webos ||
result.bada
) {
result.mobile = t
}
// Graded Browser Support
// http://developer.yahoo.com/yui/articles/gbs
if (result.msedge ||
(result.msie && result.version >= 10) ||
(result.yandexbrowser && result.version >= 15) ||
(result.vivaldi && result.version >= 1.0) ||
(result.chrome && result.version >= 20) ||
(result.samsungBrowser && result.version >= 4) ||
(result.firefox && result.version >= 20.0) ||
(result.safari && result.version >= 6) ||
(result.opera && result.version >= 10.0) ||
(result.ios && result.osversion && result.osversion.split(".")[0] >= 6) ||
(result.blackberry && result.version >= 10.1) ||
(result.chromium && result.version >= 20)
) {
result.a = t;
} else if ((result.msie && result.version < 10) ||
(result.chrome && result.version < 20) ||
(result.firefox && result.version < 20.0) ||
(result.safari && result.version < 6) ||
(result.opera && result.version < 10.0) ||
(result.ios && result.osversion && result.osversion.split(".")[0] < 6) ||
(result.chromium && result.version < 20)
) {
result.c = t
} else result.x = t
return result
}
var bowser = detect(typeof navigator !== 'undefined' ? navigator.userAgent || '' : '')
bowser.test = function(browserList) {
for (var i = 0; i < browserList.length; ++i) {
var browserItem = browserList[i];
if (typeof browserItem === 'string') {
if (browserItem in bowser) {
return true;
}
}
}
return false;
}
/**
* Get version precisions count
*
* @example
* getVersionPrecision("1.10.3") // 3
*
* @param {string} version
* @return {number}
*/
function getVersionPrecision(version) {
return version.split(".").length;
}
/**
* Array::map polyfill
*
* @param {Array} arr
* @param {Function} iterator
* @return {Array}
*/
function map(arr, iterator) {
var result = [],
i;
if (Array.prototype.map) {
return Array.prototype.map.call(arr, iterator);
}
for (i = 0; i < arr.length; i++) {
result.push(iterator(arr[i]));
}
return result;
}
/**
* Calculate browser version weight
*
* @example
* compareVersions(['1.10.2.1', '1.8.2.1.90']) // 1
* compareVersions(['1.010.2.1', '1.09.2.1.90']); // 1
* compareVersions(['1.10.2.1', '1.10.2.1']); // 0
* compareVersions(['1.10.2.1', '1.0800.2']); // -1
*
* @param {Array<String>} versions versions to compare
* @return {Number} comparison result
*/
function compareVersions(versions) {
// 1) get common precision for both versions, for example for "10.0" and "9" it should be 2
var precision = Math.max(getVersionPrecision(versions[0]), getVersionPrecision(versions[1]));
var chunks = map(versions, function(version) {
var delta = precision - getVersionPrecision(version);
// 2) "9" -> "9.0" (for precision = 2)
version = version + new Array(delta + 1).join(".0");
// 3) "9.0" -> ["000000000"", "000000009"]
return map(version.split("."), function(chunk) {
return new Array(20 - chunk.length).join("0") + chunk;
}).reverse();
});
// iterate in reverse order by reversed chunks array
while (--precision >= 0) {
// 4) compare: "000000009" > "000000010" = false (but "9" > "10" = true)
if (chunks[0][precision] > chunks[1][precision]) {
return 1;
} else if (chunks[0][precision] === chunks[1][precision]) {
if (precision === 0) {
// all version chunks are same
return 0;
}
} else {
return -1;
}
}
}
/**
* Check if browser is unsupported
*
* @example
* bowser.isUnsupportedBrowser({
* msie: "10",
* firefox: "23",
* chrome: "29",
* safari: "5.1",
* opera: "16",
* phantom: "534"
* });
*
* @param {Object} minVersions map of minimal version to browser
* @param {Boolean} [strictMode = false] flag to return false if browser wasn't found in map
* @param {String} [ua] user agent string
* @return {Boolean}
*/
function isUnsupportedBrowser(minVersions, strictMode, ua) {
var _bowser = bowser;
// make strictMode param optional with ua param usage
if (typeof strictMode === 'string') {
ua = strictMode;
strictMode = void(0);
}
if (strictMode === void(0)) {
strictMode = false;
}
if (ua) {
_bowser = detect(ua);
}
var version = "" + _bowser.version;
for (var browser in minVersions) {
if (minVersions.hasOwnProperty(browser)) {
if (_bowser[browser]) {
if (typeof minVersions[browser] !== 'string') {
throw new Error('Browser version in the minVersion map should be a string: ' + browser + ': ' + String(minVersions));
}
// browser version and min supported version.
return compareVersions([version, minVersions[browser]]) < 0;
}
}
}
return strictMode; // not found
}
/**
* Check if browser is supported
*
* @param {Object} minVersions map of minimal version to browser
* @param {Boolean} [strictMode = false] flag to return false if browser wasn't found in map
* @param {String} [ua] user agent string
* @return {Boolean}
*/
function check(minVersions, strictMode, ua) {
return !isUnsupportedBrowser(minVersions, strictMode, ua);
}
bowser.isUnsupportedBrowser = isUnsupportedBrowser;
bowser.compareVersions = compareVersions;
bowser.check = check;
/*
* Set our detect method to the main bowser object so we can
* reuse it to test other user agents.
* This is needed to implement future tests.
*/
bowser._detect = detect;
return bowser
});