mirror of
https://github.com/lancedikson/bowser
synced 2024-09-29 06:40:44 +00:00
601eac6897
Make detect() return an empty object if it hasn't matched any known browser, so that graded browser support (and any external code using this library) doesn't raise a "Cannot read property ... of undefined" exception
118 lines
4.0 KiB
JavaScript
118 lines
4.0 KiB
JavaScript
!function (name, definition) {
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if (typeof define == 'function') define(definition)
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else if (typeof module != 'undefined' && module.exports) module.exports['browser'] = definition()
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else this[name] = definition()
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}('bowser', function () {
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/**
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* navigator.userAgent =>
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* Chrome: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.57 Safari/534.24"
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* Opera: "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.7; U; en) Presto/2.7.62 Version/11.01"
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* Safari: "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; en-us) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1"
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* IE: "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C)"
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* Firefox: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0) Gecko/20100101 Firefox/4.0"
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* iPhone: "Mozilla/5.0 (iPhone Simulator; U; CPU iPhone OS 4_3_2 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5"
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* iPad: "Mozilla/5.0 (iPad; U; CPU OS 4_3_2 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5",
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* Android: "Mozilla/5.0 (Linux; U; Android 2.3.4; en-us; T-Mobile G2 Build/GRJ22) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1"
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* Touchpad: "Mozilla/5.0 (hp-tabled;Linux;hpwOS/3.0.5; U; en-US)) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/234.83 Safari/534.6 TouchPad/1.0"
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*/
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var ua = navigator.userAgent
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, t = true
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, ie = /msie/i.test(ua)
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, chrome = /chrome/i.test(ua)
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, safari = /safari/i.test(ua) && !chrome
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, iphone = /iphone/i.test(ua)
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, ipad = /ipad/i.test(ua)
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, touchpad = /touchpad/i.test(ua)
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, android = /android/i.test(ua)
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, opera = /opera/i.test(ua)
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, firefox = /firefox/i.test(ua)
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, gecko = /gecko\//i.test(ua)
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, seamonkey = /seamonkey\//i.test(ua)
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, webkitVersion = /version\/(\d+(\.\d+)?)/i
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, o
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function detect() {
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if (ie) return {
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msie: t
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, version: ua.match(/msie (\d+(\.\d+)?);/i)[1]
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}
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if (chrome) return {
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webkit: t
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, chrome: t
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, version: ua.match(/chrome\/(\d+(\.\d+)?)/i)[1]
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}
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if (touchpad) return {
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webkit: t
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, touchpad: t
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, version : ua.match(/touchpad\/(\d+(\.\d+)?)/i)[1]
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}
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if (iphone || ipad) {
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o = {
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webkit: t
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, mobile: t
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, ios: t
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, iphone: iphone
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, ipad: ipad
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}
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// WTF: version is not part of user agent in web apps
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if (webkitVersion.test(ua)) {
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o.version = ua.match(webkitVersion)[1]
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}
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return o
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}
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if (android) return {
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webkit: t
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, android: t
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, mobile: t
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, version: ua.match(webkitVersion)[1]
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}
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if (safari) return {
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webkit: t
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, safari: t
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, version: ua.match(webkitVersion)[1]
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}
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if (opera) return {
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opera: t
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, version: ua.match(webkitVersion)[1]
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}
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if (gecko) {
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o = {
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gecko: t
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, mozilla: t
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, version: ua.match(/firefox\/(\d+(\.\d+)?)/i)[1]
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}
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if (firefox) o.firefox = t
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return o
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}
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if (seamonkey) return {
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seamonkey: t
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, version: ua.match(/seamonkey\/(\d+(\.\d+)?)/i)[1]
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}
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return {}
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}
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var bowser = detect()
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// Graded Browser Support
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// http://developer.yahoo.com/yui/articles/gbs
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if ((bowser.msie && bowser.version >= 7) ||
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(bowser.chrome && bowser.version >= 10) ||
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(bowser.firefox && bowser.version >= 4.0) ||
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(bowser.safari && bowser.version >= 5) ||
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(bowser.opera && bowser.version >= 10.0)) {
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bowser.a = t;
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}
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else if ((bowser.msie && bowser.version < 7) ||
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(bowser.chrome && bowser.version < 10) ||
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(bowser.firefox && bowser.version < 4.0) ||
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(bowser.safari && bowser.version < 5) ||
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(bowser.opera && bowser.version < 10.0)) {
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bowser.c = t
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} else bowser.x = t
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return bowser
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})
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