tvl-depot/third_party/immer/extra/js/lib/platform.js
Vincent Ambo 1213b086a1 merge(3p/immer): Subtree merge at 'ad3e3556d' as 'third_party/immer'
Change-Id: I9636a41ad44b4218293833fd3e9456d9b07c731b
2020-07-15 08:23:32 +01:00

1135 lines
36 KiB
JavaScript

/*!
* Platform.js v1.3.1 <http://mths.be/platform>
* Copyright 2014-2016 Benjamin Tan <https://d10.github.io/>
* Copyright 2011-2013 John-David Dalton <http://allyoucanleet.com/>
* Available under MIT license <http://mths.be/mit>
*/
;(function() {
'use strict';
/** Used to determine if values are of the language type `Object` */
var objectTypes = {
'function': true,
'object': true
};
/** Used as a reference to the global object */
var root = (objectTypes[typeof window] && window) || this;
/** Backup possible global object */
var oldRoot = root;
/** Detect free variable `exports` */
var freeExports = objectTypes[typeof exports] && exports;
/** Detect free variable `module` */
var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
/** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
root = freeGlobal;
}
/**
* Used as the maximum length of an array-like object.
* See the [ES6 spec](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
* for more details.
*/
var maxSafeInteger = Math.pow(2, 53) - 1;
/** Opera regexp */
var reOpera = /\bOpera/;
/** Possible global object */
var thisBinding = this;
/** Used for native method references */
var objectProto = Object.prototype;
/** Used to check for own properties of an object */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to resolve the internal `[[Class]]` of values */
var toString = objectProto.toString;
/*--------------------------------------------------------------------------*/
/**
* Capitalizes a string value.
*
* @private
* @param {string} string The string to capitalize.
* @returns {string} The capitalized string.
*/
function capitalize(string) {
string = String(string);
return string.charAt(0).toUpperCase() + string.slice(1);
}
/**
* A utility function to clean up the OS name.
*
* @private
* @param {string} os The OS name to clean up.
* @param {string} [pattern] A `RegExp` pattern matching the OS name.
* @param {string} [label] A label for the OS.
*/
function cleanupOS(os, pattern, label) {
// platform tokens defined at
// http://msdn.microsoft.com/en-us/library/ms537503(VS.85).aspx
// http://web.archive.org/web/20081122053950/http://msdn.microsoft.com/en-us/library/ms537503(VS.85).aspx
var data = {
'6.4': '10',
'6.3': '8.1',
'6.2': '8',
'6.1': 'Server 2008 R2 / 7',
'6.0': 'Server 2008 / Vista',
'5.2': 'Server 2003 / XP 64-bit',
'5.1': 'XP',
'5.01': '2000 SP1',
'5.0': '2000',
'4.0': 'NT',
'4.90': 'ME'
};
// detect Windows version from platform tokens
if (pattern && label && /^Win/i.test(os) &&
(data = data[0/*Opera 9.25 fix*/, /[\d.]+$/.exec(os)])) {
os = 'Windows ' + data;
}
// correct character case and cleanup
os = String(os);
if (pattern && label) {
os = os.replace(RegExp(pattern, 'i'), label);
}
os = format(
os.replace(/ ce$/i, ' CE')
.replace(/\bhpw/i, 'web')
.replace(/\bMacintosh\b/, 'Mac OS')
.replace(/_PowerPC\b/i, ' OS')
.replace(/\b(OS X) [^ \d]+/i, '$1')
.replace(/\bMac (OS X)\b/, '$1')
.replace(/\/(\d)/, ' $1')
.replace(/_/g, '.')
.replace(/(?: BePC|[ .]*fc[ \d.]+)$/i, '')
.replace(/\bx86\.64\b/gi, 'x86_64')
.replace(/\b(Windows Phone) OS\b/, '$1')
.split(' on ')[0]
);
return os;
}
/**
* An iteration utility for arrays and objects.
*
* @private
* @param {Array|Object} object The object to iterate over.
* @param {Function} callback The function called per iteration.
*/
function each(object, callback) {
var index = -1,
length = object ? object.length : 0;
if (typeof length == 'number' && length > -1 && length <= maxSafeInteger) {
while (++index < length) {
callback(object[index], index, object);
}
} else {
forOwn(object, callback);
}
}
/**
* Trim and conditionally capitalize string values.
*
* @private
* @param {string} string The string to format.
* @returns {string} The formatted string.
*/
function format(string) {
string = trim(string);
return /^(?:webOS|i(?:OS|P))/.test(string)
? string
: capitalize(string);
}
/**
* Iterates over an object's own properties, executing the `callback` for each.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} callback The function executed per own property.
*/
function forOwn(object, callback) {
for (var key in object) {
if (hasOwnProperty.call(object, key)) {
callback(object[key], key, object);
}
}
}
/**
* Gets the internal `[[Class]]` of a value.
*
* @private
* @param {*} value The value.
* @returns {string} The `[[Class]]`.
*/
function getClassOf(value) {
return value == null
? capitalize(value)
: toString.call(value).slice(8, -1);
}
/**
* Host objects can return type values that are different from their actual
* data type. The objects we are concerned with usually return non-primitive
* types of "object", "function", or "unknown".
*
* @private
* @param {*} object The owner of the property.
* @param {string} property The property to check.
* @returns {boolean} Returns `true` if the property value is a non-primitive, else `false`.
*/
function isHostType(object, property) {
var type = object != null ? typeof object[property] : 'number';
return !/^(?:boolean|number|string|undefined)$/.test(type) &&
(type == 'object' ? !!object[property] : true);
}
/**
* Prepares a string for use in a `RegExp` by making hyphens and spaces optional.
*
* @private
* @param {string} string The string to qualify.
* @returns {string} The qualified string.
*/
function qualify(string) {
return String(string).replace(/([ -])(?!$)/g, '$1?');
}
/**
* A bare-bones `Array#reduce` like utility function.
*
* @private
* @param {Array} array The array to iterate over.
* @param {Function} callback The function called per iteration.
* @returns {*} The accumulated result.
*/
function reduce(array, callback) {
var accumulator = null;
each(array, function(value, index) {
accumulator = callback(accumulator, value, index, array);
});
return accumulator;
}
/**
* Removes leading and trailing whitespace from a string.
*
* @private
* @param {string} string The string to trim.
* @returns {string} The trimmed string.
*/
function trim(string) {
return String(string).replace(/^ +| +$/g, '');
}
/*--------------------------------------------------------------------------*/
/**
* Creates a new platform object.
*
* @memberOf platform
* @param {Object|string} [ua=navigator.userAgent] The user agent string or
* context object.
* @returns {Object} A platform object.
*/
function parse(ua) {
/** The environment context object */
var context = root;
/** Used to flag when a custom context is provided */
var isCustomContext = ua && typeof ua == 'object' && getClassOf(ua) != 'String';
// juggle arguments
if (isCustomContext) {
context = ua;
ua = null;
}
/** Browser navigator object */
var nav = context.navigator || {};
/** Browser user agent string */
var userAgent = nav.userAgent || '';
ua || (ua = userAgent);
/** Used to flag when `thisBinding` is the [ModuleScope] */
var isModuleScope = isCustomContext || thisBinding == oldRoot;
/** Used to detect if browser is like Chrome */
var likeChrome = isCustomContext
? !!nav.likeChrome
: /\bChrome\b/.test(ua) && !/internal|\n/i.test(toString.toString());
/** Internal `[[Class]]` value shortcuts */
var objectClass = 'Object',
airRuntimeClass = isCustomContext ? objectClass : 'ScriptBridgingProxyObject',
enviroClass = isCustomContext ? objectClass : 'Environment',
javaClass = (isCustomContext && context.java) ? 'JavaPackage' : getClassOf(context.java),
phantomClass = isCustomContext ? objectClass : 'RuntimeObject';
/** Detect Java environment */
var java = /\bJava/.test(javaClass) && context.java;
/** Detect Rhino */
var rhino = java && getClassOf(context.environment) == enviroClass;
/** A character to represent alpha */
var alpha = java ? 'a' : '\u03b1';
/** A character to represent beta */
var beta = java ? 'b' : '\u03b2';
/** Browser document object */
var doc = context.document || {};
/**
* Detect Opera browser (Presto-based)
* http://www.howtocreate.co.uk/operaStuff/operaObject.html
* http://dev.opera.com/articles/view/opera-mini-web-content-authoring-guidelines/#operamini
*/
var opera = context.operamini || context.opera;
/** Opera `[[Class]]` */
var operaClass = reOpera.test(operaClass = (isCustomContext && opera) ? opera['[[Class]]'] : getClassOf(opera))
? operaClass
: (opera = null);
/*------------------------------------------------------------------------*/
/** Temporary variable used over the script's lifetime */
var data;
/** The CPU architecture */
var arch = ua;
/** Platform description array */
var description = [];
/** Platform alpha/beta indicator */
var prerelease = null;
/** A flag to indicate that environment features should be used to resolve the platform */
var useFeatures = ua == userAgent;
/** The browser/environment version */
var version = useFeatures && opera && typeof opera.version == 'function' && opera.version();
/** A flag to indicate if the OS ends with "/ Version" */
var isSpecialCasedOS;
/* Detectable layout engines (order is important) */
var layout = getLayout([
'Trident',
{ 'label': 'WebKit', 'pattern': 'AppleWebKit' },
'iCab',
'Presto',
'NetFront',
'Tasman',
'KHTML',
'Gecko'
]);
/* Detectable browser names (order is important) */
var name = getName([
'Adobe AIR',
'Arora',
'Avant Browser',
'Breach',
'Camino',
'Epiphany',
'Fennec',
'Flock',
'Galeon',
'GreenBrowser',
'iCab',
'Iceweasel',
{ 'label': 'SRWare Iron', 'pattern': 'Iron' },
'K-Meleon',
'Konqueror',
'Lunascape',
'Maxthon',
'Midori',
'Nook Browser',
'PhantomJS',
'Raven',
'Rekonq',
'RockMelt',
'SeaMonkey',
{ 'label': 'Silk', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Sleipnir',
'SlimBrowser',
'Sunrise',
'Swiftfox',
'WebPositive',
'Opera Mini',
{ 'label': 'Opera Mini', 'pattern': 'OPiOS' },
'Opera',
{ 'label': 'Opera', 'pattern': 'OPR' },
'Chrome',
{ 'label': 'Chrome Mobile', 'pattern': '(?:CriOS|CrMo)' },
{ 'label': 'Firefox', 'pattern': '(?:Firefox|Minefield)' },
{ 'label': 'IE', 'pattern': 'IEMobile' },
{ 'label': 'IE', 'pattern': 'MSIE' },
'Safari'
]);
/* Detectable products (order is important) */
var product = getProduct([
{ 'label': 'BlackBerry', 'pattern': 'BB10' },
'BlackBerry',
{ 'label': 'Galaxy S', 'pattern': 'GT-I9000' },
{ 'label': 'Galaxy S2', 'pattern': 'GT-I9100' },
{ 'label': 'Galaxy S3', 'pattern': 'GT-I9300' },
{ 'label': 'Galaxy S4', 'pattern': 'GT-I9500' },
'Google TV',
'Lumia',
'iPad',
'iPod',
'iPhone',
'Kindle',
{ 'label': 'Kindle Fire', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Nook',
'PlayBook',
'PlayStation 4',
'PlayStation 3',
'PlayStation Vita',
'TouchPad',
'Transformer',
{ 'label': 'Wii U', 'pattern': 'WiiU' },
'Wii',
'Xbox One',
{ 'label': 'Xbox 360', 'pattern': 'Xbox' },
'Xoom'
]);
/* Detectable manufacturers */
var manufacturer = getManufacturer({
'Apple': { 'iPad': 1, 'iPhone': 1, 'iPod': 1 },
'Amazon': { 'Kindle': 1, 'Kindle Fire': 1 },
'Asus': { 'Transformer': 1 },
'Barnes & Noble': { 'Nook': 1 },
'BlackBerry': { 'PlayBook': 1 },
'Google': { 'Google TV': 1 },
'HP': { 'TouchPad': 1 },
'HTC': {},
'LG': {},
'Microsoft': { 'Xbox': 1, 'Xbox One': 1 },
'Motorola': { 'Xoom': 1 },
'Nintendo': { 'Wii U': 1, 'Wii': 1 },
'Nokia': { 'Lumia': 1 },
'Samsung': { 'Galaxy S': 1, 'Galaxy S2': 1, 'Galaxy S3': 1, 'Galaxy S4': 1 },
'Sony': { 'PlayStation 4': 1, 'PlayStation 3': 1, 'PlayStation Vita': 1 }
});
/* Detectable OSes (order is important) */
var os = getOS([
'Windows Phone ',
'Android',
'CentOS',
'Debian',
'Fedora',
'FreeBSD',
'Gentoo',
'Haiku',
'Kubuntu',
'Linux Mint',
'Red Hat',
'SuSE',
'Ubuntu',
'Xubuntu',
'Cygwin',
'Symbian OS',
'hpwOS',
'webOS ',
'webOS',
'Tablet OS',
'Linux',
'Mac OS X',
'Macintosh',
'Mac',
'Windows 98;',
'Windows '
]);
/*------------------------------------------------------------------------*/
/**
* Picks the layout engine from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected layout engine.
*/
function getLayout(guesses) {
return reduce(guesses, function(result, guess) {
return result || RegExp('\\b' + (
guess.pattern || qualify(guess)
) + '\\b', 'i').exec(ua) && (guess.label || guess);
});
}
/**
* Picks the manufacturer from an array of guesses.
*
* @private
* @param {Array} guesses An object of guesses.
* @returns {null|string} The detected manufacturer.
*/
function getManufacturer(guesses) {
return reduce(guesses, function(result, value, key) {
// lookup the manufacturer by product or scan the UA for the manufacturer
return result || (
value[product] ||
value[0/*Opera 9.25 fix*/, /^[a-z]+(?: +[a-z]+\b)*/i.exec(product)] ||
RegExp('\\b' + qualify(key) + '(?:\\b|\\w*\\d)', 'i').exec(ua)
) && key;
});
}
/**
* Picks the browser name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected browser name.
*/
function getName(guesses) {
return reduce(guesses, function(result, guess) {
return result || RegExp('\\b' + (
guess.pattern || qualify(guess)
) + '\\b', 'i').exec(ua) && (guess.label || guess);
});
}
/**
* Picks the OS name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected OS name.
*/
function getOS(guesses) {
return reduce(guesses, function(result, guess) {
var pattern = guess.pattern || qualify(guess);
if (!result && (result =
RegExp('\\b' + pattern + '(?:/[\\d.]+|[ \\w.]*)', 'i').exec(ua)
)) {
result = cleanupOS(result, pattern, guess.label || guess);
}
return result;
});
}
/**
* Picks the product name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected product name.
*/
function getProduct(guesses) {
return reduce(guesses, function(result, guess) {
var pattern = guess.pattern || qualify(guess);
if (!result && (result =
RegExp('\\b' + pattern + ' *\\d+[.\\w_]*', 'i').exec(ua) ||
RegExp('\\b' + pattern + '(?:; *(?:[a-z]+[_-])?[a-z]+\\d+|[^ ();-]*)', 'i').exec(ua)
)) {
// split by forward slash and append product version if needed
if ((result = String((guess.label && !RegExp(pattern, 'i').test(guess.label)) ? guess.label : result).split('/'))[1] && !/[\d.]+/.test(result[0])) {
result[0] += ' ' + result[1];
}
// correct character case and cleanup
guess = guess.label || guess;
result = format(result[0]
.replace(RegExp(pattern, 'i'), guess)
.replace(RegExp('; *(?:' + guess + '[_-])?', 'i'), ' ')
.replace(RegExp('(' + guess + ')[-_.]?(\\w)', 'i'), '$1 $2'));
}
return result;
});
}
/**
* Resolves the version using an array of UA patterns.
*
* @private
* @param {Array} patterns An array of UA patterns.
* @returns {null|string} The detected version.
*/
function getVersion(patterns) {
return reduce(patterns, function(result, pattern) {
return result || (RegExp(pattern +
'(?:-[\\d.]+/|(?: for [\\w-]+)?[ /-])([\\d.]+[^ ();/_-]*)', 'i').exec(ua) || 0)[1] || null;
});
}
/**
* Returns `platform.description` when the platform object is coerced to a string.
*
* @name toString
* @memberOf platform
* @returns {string} Returns `platform.description` if available, else an empty string.
*/
function toStringPlatform() {
return this.description || '';
}
/*------------------------------------------------------------------------*/
// convert layout to an array so we can add extra details
layout && (layout = [layout]);
// detect product names that contain their manufacturer's name
if (manufacturer && !product) {
product = getProduct([manufacturer]);
}
// clean up Google TV
if ((data = /\bGoogle TV\b/.exec(product))) {
product = data[0];
}
// detect simulators
if (/\bSimulator\b/i.test(ua)) {
product = (product ? product + ' ' : '') + 'Simulator';
}
// detect Opera Mini 8+ running in Turbo/Uncompressed mode on iOS
if (name == 'Opera Mini' && /\bOPiOS\b/.test(ua)) {
description.push('running in Turbo/Uncompressed mode');
}
// detect iOS
if (/^iP/.test(product)) {
name || (name = 'Safari');
os = 'iOS' + ((data = / OS ([\d_]+)/i.exec(ua))
? ' ' + data[1].replace(/_/g, '.')
: '');
}
// detect Kubuntu
else if (name == 'Konqueror' && !/buntu/i.test(os)) {
os = 'Kubuntu';
}
// detect Android browsers
else if (manufacturer && manufacturer != 'Google' &&
((/Chrome/.test(name) && !/\bMobile Safari\b/i.test(ua)) || /\bVita\b/.test(product))) {
name = 'Android Browser';
os = /\bAndroid\b/.test(os) ? os : 'Android';
}
// detect false positives for Firefox/Safari
else if (!name || (data = !/\bMinefield\b|\(Android;/i.test(ua) && /\b(?:Firefox|Safari)\b/.exec(name))) {
// escape the `/` for Firefox 1
if (name && !product && /[\/,]|^[^(]+?\)/.test(ua.slice(ua.indexOf(data + '/') + 8))) {
// clear name of false positives
name = null;
}
// reassign a generic name
if ((data = product || manufacturer || os) &&
(product || manufacturer || /\b(?:Android|Symbian OS|Tablet OS|webOS)\b/.test(os))) {
name = /[a-z]+(?: Hat)?/i.exec(/\bAndroid\b/.test(os) ? os : data) + ' Browser';
}
}
// detect Firefox OS
if ((data = /\((Mobile|Tablet).*?Firefox\b/i.exec(ua)) && data[1]) {
os = 'Firefox OS';
if (!product) {
product = data[1];
}
}
// detect non-Opera versions (order is important)
if (!version) {
version = getVersion([
'(?:Cloud9|CriOS|CrMo|IEMobile|Iron|Opera ?Mini|OPiOS|OPR|Raven|Silk(?!/[\\d.]+$))',
'Version',
qualify(name),
'(?:Firefox|Minefield|NetFront)'
]);
}
// detect stubborn layout engines
if (layout == 'iCab' && parseFloat(version) > 3) {
layout = ['WebKit'];
} else if (
layout != 'Trident' &&
(data =
/\bOpera\b/.test(name) && (/\bOPR\b/.test(ua) ? 'Blink' : 'Presto') ||
/\b(?:Midori|Nook|Safari)\b/i.test(ua) && 'WebKit' ||
!layout && /\bMSIE\b/i.test(ua) && (os == 'Mac OS' ? 'Tasman' : 'Trident')
)
) {
layout = [data];
}
// detect NetFront on PlayStation
else if (/\bPlayStation\b(?! Vita\b)/i.test(name) && layout == 'WebKit') {
layout = ['NetFront'];
}
// detect Windows Phone 7 desktop mode
if (name == 'IE' && (data = (/; *(?:XBLWP|ZuneWP)(\d+)/i.exec(ua) || 0)[1])) {
name += ' Mobile';
os = 'Windows Phone ' + (/\+$/.test(data) ? data : data + '.x');
description.unshift('desktop mode');
}
// detect Windows Phone 8+ desktop mode
else if (/\bWPDesktop\b/i.test(ua)) {
name = 'IE Mobile';
os = 'Windows Phone 8+';
description.unshift('desktop mode');
version || (version = (/\brv:([\d.]+)/.exec(ua) || 0)[1]);
}
// detect IE 11 and above
else if (name != 'IE' && layout == 'Trident' && (data = /\brv:([\d.]+)/.exec(ua))) {
if (!/\bWPDesktop\b/i.test(ua)) {
if (name) {
description.push('identifying as ' + name + (version ? ' ' + version : ''));
}
name = 'IE';
}
version = data[1];
}
// detect Microsoft Edge
else if ((name == 'Chrome' || name != 'IE') && (data = /\bEdge\/([\d.]+)/.exec(ua))) {
name = 'Microsoft Edge';
version = data[1];
layout = ['Trident'];
}
// leverage environment features
if (useFeatures) {
// detect server-side environments
// Rhino has a global function while others have a global object
if (isHostType(context, 'global')) {
if (java) {
data = java.lang.System;
arch = data.getProperty('os.arch');
os = os || data.getProperty('os.name') + ' ' + data.getProperty('os.version');
}
if (isModuleScope && isHostType(context, 'system') && (data = [context.system])[0]) {
os || (os = data[0].os || null);
try {
data[1] = context.require('ringo/engine').version;
version = data[1].join('.');
name = 'RingoJS';
} catch(e) {
if (data[0].global.system == context.system) {
name = 'Narwhal';
}
}
}
else if (typeof context.process == 'object' && (data = context.process)) {
name = 'Node.js';
arch = data.arch;
os = data.platform;
version = /[\d.]+/.exec(data.version)[0];
}
else if (rhino) {
name = 'Rhino';
}
}
// detect Adobe AIR
else if (getClassOf((data = context.runtime)) == airRuntimeClass) {
name = 'Adobe AIR';
os = data.flash.system.Capabilities.os;
}
// detect PhantomJS
else if (getClassOf((data = context.phantom)) == phantomClass) {
name = 'PhantomJS';
version = (data = data.version || null) && (data.major + '.' + data.minor + '.' + data.patch);
}
// detect IE compatibility modes
else if (typeof doc.documentMode == 'number' && (data = /\bTrident\/(\d+)/i.exec(ua))) {
// we're in compatibility mode when the Trident version + 4 doesn't
// equal the document mode
version = [version, doc.documentMode];
if ((data = +data[1] + 4) != version[1]) {
description.push('IE ' + version[1] + ' mode');
layout && (layout[1] = '');
version[1] = data;
}
version = name == 'IE' ? String(version[1].toFixed(1)) : version[0];
}
os = os && format(os);
}
// detect prerelease phases
if (version && (data =
/(?:[ab]|dp|pre|[ab]\d+pre)(?:\d+\+?)?$/i.exec(version) ||
/(?:alpha|beta)(?: ?\d)?/i.exec(ua + ';' + (useFeatures && nav.appMinorVersion)) ||
/\bMinefield\b/i.test(ua) && 'a'
)) {
prerelease = /b/i.test(data) ? 'beta' : 'alpha';
version = version.replace(RegExp(data + '\\+?$'), '') +
(prerelease == 'beta' ? beta : alpha) + (/\d+\+?/.exec(data) || '');
}
// detect Firefox Mobile
if (name == 'Fennec' || name == 'Firefox' && /\b(?:Android|Firefox OS)\b/.test(os)) {
name = 'Firefox Mobile';
}
// obscure Maxthon's unreliable version
else if (name == 'Maxthon' && version) {
version = version.replace(/\.[\d.]+/, '.x');
}
// detect Silk desktop/accelerated modes
else if (name == 'Silk') {
if (!/\bMobi/i.test(ua)) {
os = 'Android';
description.unshift('desktop mode');
}
if (/Accelerated *= *true/i.test(ua)) {
description.unshift('accelerated');
}
}
// detect Xbox 360 and Xbox One
else if (/\bXbox\b/i.test(product)) {
os = null;
if (product == 'Xbox 360' && /\bIEMobile\b/.test(ua)) {
description.unshift('mobile mode');
}
}
// add mobile postfix
else if ((/^(?:Chrome|IE|Opera)$/.test(name) || name && !product && !/Browser|Mobi/.test(name)) &&
(os == 'Windows CE' || /Mobi/i.test(ua))) {
name += ' Mobile';
}
// detect IE platform preview
else if (name == 'IE' && useFeatures && context.external === null) {
description.unshift('platform preview');
}
// detect BlackBerry OS version
// http://docs.blackberry.com/en/developers/deliverables/18169/HTTP_headers_sent_by_BB_Browser_1234911_11.jsp
else if ((/\bBlackBerry\b/.test(product) || /\bBB10\b/.test(ua)) && (data =
(RegExp(product.replace(/ +/g, ' *') + '/([.\\d]+)', 'i').exec(ua) || 0)[1] ||
version
)) {
data = [data, /BB10/.test(ua)];
os = (data[1] ? (product = null, manufacturer = 'BlackBerry') : 'Device Software') + ' ' + data[0];
version = null;
}
// detect Opera identifying/masking itself as another browser
// http://www.opera.com/support/kb/view/843/
else if (this != forOwn && (
product != 'Wii' && (
(useFeatures && opera) ||
(/Opera/.test(name) && /\b(?:MSIE|Firefox)\b/i.test(ua)) ||
(name == 'Firefox' && /\bOS X (?:\d+\.){2,}/.test(os)) ||
(name == 'IE' && (
(os && !/^Win/.test(os) && version > 5.5) ||
/\bWindows XP\b/.test(os) && version > 8 ||
version == 8 && !/\bTrident\b/.test(ua)
))
)
) && !reOpera.test((data = parse.call(forOwn, ua.replace(reOpera, '') + ';'))) && data.name) {
// when "indentifying", the UA contains both Opera and the other browser's name
data = 'ing as ' + data.name + ((data = data.version) ? ' ' + data : '');
if (reOpera.test(name)) {
if (/\bIE\b/.test(data) && os == 'Mac OS') {
os = null;
}
data = 'identify' + data;
}
// when "masking", the UA contains only the other browser's name
else {
data = 'mask' + data;
if (operaClass) {
name = format(operaClass.replace(/([a-z])([A-Z])/g, '$1 $2'));
} else {
name = 'Opera';
}
if (/\bIE\b/.test(data)) {
os = null;
}
if (!useFeatures) {
version = null;
}
}
layout = ['Presto'];
description.push(data);
}
// detect WebKit Nightly and approximate Chrome/Safari versions
if ((data = (/\bAppleWebKit\/([\d.]+\+?)/i.exec(ua) || 0)[1])) {
// correct build for numeric comparison
// (e.g. "532.5" becomes "532.05")
data = [parseFloat(data.replace(/\.(\d)$/, '.0$1')), data];
// nightly builds are postfixed with a `+`
if (name == 'Safari' && data[1].slice(-1) == '+') {
name = 'WebKit Nightly';
prerelease = 'alpha';
version = data[1].slice(0, -1);
}
// clear incorrect browser versions
else if (version == data[1] ||
version == (data[2] = (/\bSafari\/([\d.]+\+?)/i.exec(ua) || 0)[1])) {
version = null;
}
// use the full Chrome version when available
data[1] = (/\bChrome\/([\d.]+)/i.exec(ua) || 0)[1];
// detect Blink layout engine
if (data[0] == 537.36 && data[2] == 537.36 && parseFloat(data[1]) >= 28 && name != 'IE' && name != 'Microsoft Edge') {
layout = ['Blink'];
}
// detect JavaScriptCore
// http://stackoverflow.com/questions/6768474/how-can-i-detect-which-javascript-engine-v8-or-jsc-is-used-at-runtime-in-androi
if (!useFeatures || (!likeChrome && !data[1])) {
layout && (layout[1] = 'like Safari');
data = (data = data[0], data < 400 ? 1 : data < 500 ? 2 : data < 526 ? 3 : data < 533 ? 4 : data < 534 ? '4+' : data < 535 ? 5 : data < 537 ? 6 : data < 538 ? 7 : data < 601 ? 8 : '8');
} else {
layout && (layout[1] = 'like Chrome');
data = data[1] || (data = data[0], data < 530 ? 1 : data < 532 ? 2 : data < 532.05 ? 3 : data < 533 ? 4 : data < 534.03 ? 5 : data < 534.07 ? 6 : data < 534.10 ? 7 : data < 534.13 ? 8 : data < 534.16 ? 9 : data < 534.24 ? 10 : data < 534.30 ? 11 : data < 535.01 ? 12 : data < 535.02 ? '13+' : data < 535.07 ? 15 : data < 535.11 ? 16 : data < 535.19 ? 17 : data < 536.05 ? 18 : data < 536.10 ? 19 : data < 537.01 ? 20 : data < 537.11 ? '21+' : data < 537.13 ? 23 : data < 537.18 ? 24 : data < 537.24 ? 25 : data < 537.36 ? 26 : layout != 'Blink' ? '27' : '28');
}
// add the postfix of ".x" or "+" for approximate versions
layout && (layout[1] += ' ' + (data += typeof data == 'number' ? '.x' : /[.+]/.test(data) ? '' : '+'));
// obscure version for some Safari 1-2 releases
if (name == 'Safari' && (!version || parseInt(version) > 45)) {
version = data;
}
}
// detect Opera desktop modes
if (name == 'Opera' && (data = /\bzbov|zvav$/.exec(os))) {
name += ' ';
description.unshift('desktop mode');
if (data == 'zvav') {
name += 'Mini';
version = null;
} else {
name += 'Mobile';
}
os = os.replace(RegExp(' *' + data + '$'), '');
}
// detect Chrome desktop mode
else if (name == 'Safari' && /\bChrome\b/.exec(layout && layout[1])) {
description.unshift('desktop mode');
name = 'Chrome Mobile';
version = null;
if (/\bOS X\b/.test(os)) {
manufacturer = 'Apple';
os = 'iOS 4.3+';
} else {
os = null;
}
}
// strip incorrect OS versions
if (version && version.indexOf((data = /[\d.]+$/.exec(os))) == 0 &&
ua.indexOf('/' + data + '-') > -1) {
os = trim(os.replace(data, ''));
}
// add layout engine
if (layout && !/\b(?:Avant|Nook)\b/.test(name) && (
/Browser|Lunascape|Maxthon/.test(name) ||
/^(?:Adobe|Arora|Breach|Midori|Opera|Phantom|Rekonq|Rock|Sleipnir|Web)/.test(name) && layout[1])) {
// don't add layout details to description if they are falsey
(data = layout[layout.length - 1]) && description.push(data);
}
// combine contextual information
if (description.length) {
description = ['(' + description.join('; ') + ')'];
}
// append manufacturer
if (manufacturer && product && product.indexOf(manufacturer) < 0) {
description.push('on ' + manufacturer);
}
// append product
if (product) {
description.push((/^on /.test(description[description.length -1]) ? '' : 'on ') + product);
}
// parse OS into an object
if (os) {
data = / ([\d.+]+)$/.exec(os);
isSpecialCasedOS = data && os.charAt(os.length - data[0].length - 1) == '/';
os = {
'architecture': 32,
'family': (data && !isSpecialCasedOS) ? os.replace(data[0], '') : os,
'version': data ? data[1] : null,
'toString': function() {
var version = this.version;
return this.family + ((version && !isSpecialCasedOS) ? ' ' + version : '') + (this.architecture == 64 ? ' 64-bit' : '');
}
};
}
// add browser/OS architecture
if ((data = /\b(?:AMD|IA|Win|WOW|x86_|x)64\b/i.exec(arch)) && !/\bi686\b/i.test(arch)) {
if (os) {
os.architecture = 64;
os.family = os.family.replace(RegExp(' *' + data), '');
}
if (
name && (/\bWOW64\b/i.test(ua) ||
(useFeatures && /\w(?:86|32)$/.test(nav.cpuClass || nav.platform) && !/\bWin64; x64\b/i.test(ua)))
) {
description.unshift('32-bit');
}
}
ua || (ua = null);
/*------------------------------------------------------------------------*/
/**
* The platform object.
*
* @name platform
* @type Object
*/
var platform = {};
/**
* The platform description.
*
* @memberOf platform
* @type string|null
*/
platform.description = ua;
/**
* The name of the browser's layout engine.
*
* @memberOf platform
* @type string|null
*/
platform.layout = layout && layout[0];
/**
* The name of the product's manufacturer.
*
* @memberOf platform
* @type string|null
*/
platform.manufacturer = manufacturer;
/**
* The name of the browser/environment.
*
* @memberOf platform
* @type string|null
*/
platform.name = name;
/**
* The alpha/beta release indicator.
*
* @memberOf platform
* @type string|null
*/
platform.prerelease = prerelease;
/**
* The name of the product hosting the browser.
*
* @memberOf platform
* @type string|null
*/
platform.product = product;
/**
* The browser's user agent string.
*
* @memberOf platform
* @type string|null
*/
platform.ua = ua;
/**
* The browser/environment version.
*
* @memberOf platform
* @type string|null
*/
platform.version = name && version;
/**
* The name of the operating system.
*
* @memberOf platform
* @type Object
*/
platform.os = os || {
/**
* The CPU architecture the OS is built for.
*
* @memberOf platform.os
* @type number|null
*/
'architecture': null,
/**
* The family of the OS.
*
* Common values include:
* "Windows", "Windows Server 2008 R2 / 7", "Windows Server 2008 / Vista",
* "Windows XP", "OS X", "Ubuntu", "Debian", "Fedora", "Red Hat", "SuSE",
* "Android", "iOS" and "Windows Phone"
*
* @memberOf platform.os
* @type string|null
*/
'family': null,
/**
* The version of the OS.
*
* @memberOf platform.os
* @type string|null
*/
'version': null,
/**
* Returns the OS string.
*
* @memberOf platform.os
* @returns {string} The OS string.
*/
'toString': function() { return 'null'; }
};
platform.parse = parse;
platform.toString = toStringPlatform;
if (platform.version) {
description.unshift(version);
}
if (platform.name) {
description.unshift(name);
}
if (os && name && !(os == String(os).split(' ')[0] && (os == name.split(' ')[0] || product))) {
description.push(product ? '(' + os + ')' : 'on ' + os);
}
if (description.length) {
platform.description = description.join(' ');
}
return platform;
}
/*--------------------------------------------------------------------------*/
// export platform
// some AMD build optimizers, like r.js, check for condition patterns like the following:
if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
// define as an anonymous module so, through path mapping, it can be aliased
define(function() {
return parse();
});
}
// check for `exports` after `define` in case a build optimizer adds an `exports` object
else if (freeExports && freeModule) {
// in Narwhal, Node.js, Rhino -require, or RingoJS
forOwn(parse(), function(value, key) {
freeExports[key] = value;
});
}
// in a browser or Rhino
else {
root.platform = parse();
}
}.call(this));