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lib_platform.js.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: lib/platform.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: lib/platform.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Platform.js
* Copyright 2014-2018 Benjamin Tan
* Copyright 2011-2013 John-David Dalton
* Available under MIT license
* @namespace platform
*/
;(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;
/** Regular expression to detect Opera. */
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 are 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 = {
'10.0': '10',
'6.4': '10 Technical Preview',
'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) && !/^Windows Phone /i.test(os) &&
(data = data[/[\d.]+$/.exec(os)])) {
os = 'Windows ' + data;
}
// Correct character case and cleanup string.
os = String(os);
if (pattern && label) {
os = os.replace(RegExp(pattern, 'i'), label);
}
os = format(
os.replace(/ ce$/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')
.replace(/\b(Chrome OS \w+) [\d.]+\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 environments. */
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([
{ 'label': 'EdgeHTML', 'pattern': '(?:Edge|EdgA|EdgiOS)' },
'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',
'Electron',
'Epiphany',
'Fennec',
'Flock',
'Galeon',
'GreenBrowser',
'iCab',
'Iceweasel',
'K-Meleon',
'Konqueror',
'Lunascape',
'Maxthon',
{ 'label': 'Microsoft Edge', 'pattern': '(?:Edge|EdgA|EdgiOS)' },
'Midori',
'Nook Browser',
'PaleMoon',
'PhantomJS',
'Raven',
'Rekonq',
'RockMelt',
{ 'label': 'Samsung Internet', 'pattern': 'SamsungBrowser' },
'SeaMonkey',
{ 'label': 'Silk', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Sleipnir',
'SlimBrowser',
{ 'label': 'SRWare Iron', 'pattern': 'Iron' },
'Sunrise',
'Swiftfox',
'Waterfox',
'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': 'Firefox for iOS', 'pattern': 'FxiOS' },
{ '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' },
{ 'label': 'Galaxy S5', 'pattern': 'SM-G900' },
{ 'label': 'Galaxy S6', 'pattern': 'SM-G920' },
{ 'label': 'Galaxy S6 Edge', 'pattern': 'SM-G925' },
{ 'label': 'Galaxy S7', 'pattern': 'SM-G930' },
{ 'label': 'Galaxy S7 Edge', 'pattern': 'SM-G935' },
'Google TV',
'Lumia',
'iPad',
'iPod',
'iPhone',
'Kindle',
{ 'label': 'Kindle Fire', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Nexus',
'Nook',
'PlayBook',
'PlayStation Vita',
'PlayStation',
'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 },
'Archos': {},
'Amazon': { 'Kindle': 1, 'Kindle Fire': 1 },
'Asus': { 'Transformer': 1 },
'Barnes & Noble': { 'Nook': 1 },
'BlackBerry': { 'PlayBook': 1 },
'Google': { 'Google TV': 1, 'Nexus': 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': 1, 'PlayStation Vita': 1 }
});
/* Detectable operating systems (order is important). */
var os = getOS([
'Windows Phone',
'Android',
'CentOS',
{ 'label': 'Chrome OS', 'pattern': 'CrOS' },
'Debian',
'Fedora',
'FreeBSD',
'Gentoo',
'Haiku',
'Kubuntu',
'Linux Mint',
'OpenBSD',
'Red Hat',
'SuSE',
'Ubuntu',
'Xubuntu',
'Cygwin',
'Symbian OS',
'hpwOS',
'webOS ',
'webOS',
'Tablet OS',
'Tizen',
'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[/^[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 + ' *\\w+-[\\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 string.
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 IE Mobile 11.
if (name == 'IE' && /\blike iPhone OS\b/.test(ua)) {
data = parse(ua.replace(/like iPhone OS/, ''));
manufacturer = data.manufacturer;
product = data.product;
}
// Detect iOS.
else 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))) ||
(/\bAndroid\b/.test(os) && /^Chrome/.test(name) && /\bVersion\//i.test(ua))) {
name = 'Android Browser';
os = /\bAndroid\b/.test(os) ? os : 'Android';
}
// 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 PaleMoon identifying as Firefox.
else if (name == 'PaleMoon' && (data = /\bFirefox\/([\d.]+)\b/.exec(ua))) {
description.push('identifying as Firefox ' + data[1]);
}
// Detect Firefox OS and products running Firefox.
else if (name == 'Firefox' && (data = /\b(Mobile|Tablet|TV)\b/i.exec(ua))) {
os || (os = 'Firefox OS');
product || (product = data[1]);
}
// Detect false positives for Firefox/Safari.
else if (!name || (data = !/\bMinefield\b/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';
}
}
// Add Chrome version to description for Electron.
else if (name == 'Electron' && (data = (/\bChrome\/([\d.]+)\b/.exec(ua) || 0)[1])) {
description.push('Chromium ' + data);
}
// Detect non-Opera (Presto-based) versions (order is important).
if (!version) {
version = getVersion([
'(?:Cloud9|CriOS|CrMo|Edge|EdgA|EdgiOS|FxiOS|IEMobile|Iron|Opera ?Mini|OPiOS|OPR|Raven|SamsungBrowser|Silk(?!/[\\d.]+$))',
'Version',
qualify(name),
'(?:Firefox|Minefield|NetFront)'
]);
}
// Detect stubborn layout engines.
if ((data =
layout == 'iCab' && parseFloat(version) > 3 && 'WebKit' ||
/\bOpera\b/.test(name) && (/\bOPR\b/.test(ua) ? 'Blink' : 'Presto') ||
/\b(?:Midori|Nook|Safari)\b/i.test(ua) && !/^(?:Trident|EdgeHTML)$/.test(layout) && 'WebKit' ||
!layout && /\bMSIE\b/i.test(ua) && (os == 'Mac OS' ? 'Tasman' : 'Trident') ||
layout == 'WebKit' && /\bPlayStation\b(?! Vita\b)/i.test(name) && 'NetFront'
)) {
layout = [data];
}
// 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.x desktop mode.
else if (/\bWPDesktop\b/i.test(ua)) {
name = 'IE Mobile';
os = 'Windows Phone 8.x';
description.unshift('desktop mode');
version || (version = (/\brv:([\d.]+)/.exec(ua) || 0)[1]);
}
// Detect IE 11 identifying as other browsers.
else if (name != 'IE' && layout == 'Trident' && (data = /\brv:([\d.]+)/.exec(ua))) {
if (name) {
description.push('identifying as ' + name + (version ? ' ' + version : ''));
}
name = 'IE';
version = data[1];
}
// 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 (rhino) {
try {
version = context.require('ringo/engine').version.join('.');
name = 'RingoJS';
} catch(e) {
if ((data = context.system) && data.global.system == context.system) {
name = 'Narwhal';
os || (os = data[0].os || null);
}
}
if (!name) {
name = 'Rhino';
}
}
else if (
typeof context.process == 'object' && !context.process.browser &&
(data = context.process)
) {
if (typeof data.versions == 'object') {
if (typeof data.versions.electron == 'string') {
description.push('Node ' + data.versions.node);
name = 'Electron';
version = data.versions.electron;
} else if (typeof data.versions.nw == 'string') {
description.push('Chromium ' + version, 'Node ' + data.versions.node);
name = 'NW.js';
version = data.versions.nw;
}
}
if (!name) {
name = 'Node.js';
arch = data.arch;
os = data.platform;
version = /[\d.]+/.exec(data.version);
version = version ? version[0] : null;
}
}
}
// 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];
}
// Detect IE 11 masking as other browsers.
else if (typeof doc.documentMode == 'number' && /^(?:Chrome|Firefox)\b/.test(name)) {
description.push('masking as ' + name + ' ' + version);
name = 'IE';
version = '11.0';
layout = ['Trident'];
os = 'Windows';
}
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 + '\\+?$'), '') +
(prerelease == 'beta' ? beta : alpha) + (/\d+\+?/.exec(data) || '');
}
// Detect Firefox Mobile.
if (name == 'Fennec' || name == 'Firefox' && /\b(?:Android|Firefox OS)\b/.test(os)) {
name = 'Firefox Mobile';
}
// Obscure Maxthon's unreliable version.
else if (name == 'Maxthon' && version) {
version = version.replace(/\.[\d.]+/, '.x');
}
// Detect Xbox 360 and Xbox One.
else if (/\bXbox\b/i.test(product)) {
if (product == 'Xbox 360') {
os = null;
}
if (product == 'Xbox 360' && /\bIEMobile\b/.test(ua)) {
description.unshift('mobile mode');
}
}
// Add mobile postfix.
else if ((/^(?:Chrome|IE|Opera)$/.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) {
try {
if (context.external === null) {
description.unshift('platform preview');
}
} catch(e) {
description.unshift('embedded');
}
}
// 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 "identifying", 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 $2'));
} else {
name = 'Opera';
}
if (/\bIE\b/.test(data)) {
os = null;
}
if (!useFeatures) {
version = null;
}
}
layout = ['Presto'];
description.push(data);
}
// Detect WebKit Nightly and approximate Chrome/Safari versions.
if ((data = (/\bAppleWebKit\/([\d.]+\+?)/i.exec(ua) || 0)[1])) {
// Correct build number for numeric comparison.
// (e.g. "532.5" becomes "532.05")
data = [parseFloat(data.replace(/\.(\d)$/, '.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 && layout == 'WebKit') {
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, ''));