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Node.js User-Agent parser
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// Based on fantastic jQuery useragent parser plugin https://gist.github.com/373298 | |
function parse(uaStr) { | |
var agent = { | |
platform: {}, | |
browser: {}, | |
engine: {} | |
}; | |
var ua = uaStr, | |
p = agent.platform, | |
b = agent.browser, | |
e = agent.engine; | |
// detect platform | |
if (/Windows/.test(ua)) { | |
p.name = 'win'; | |
p.win = true; | |
} else if (/Mac/.test(ua)) { | |
p.name = 'mac'; | |
p.mac = true; | |
} else if (/Linux/.test(ua)) { | |
p.name = 'linux'; | |
p.linux = true; | |
} else if (/iPhone|iPod/.test(ua)) { | |
p.name = 'iphone'; | |
p.iphone = true; | |
} else if (/iPad/.test(ua)) { | |
p.name = 'ipad'; | |
p.ipad = true; | |
} else if (/Android/.test(ua)) { | |
p.name = 'android'; | |
p.android = true; | |
} else { | |
p.name = 'other'; | |
p.unknown = true; | |
} | |
// detect browser | |
if (/MSIE/.test(ua)) { | |
b.name = 'msie'; | |
b.msie = true; | |
} else if (/Firefox/.test(ua)) { | |
b.name = 'firefox'; | |
b.firefox = true; | |
} else if (/Chrome/.test(ua)) { // must be tested before Safari | |
b.name = 'chrome'; | |
b.chrome = true; | |
} else if (/Safari/.test(ua)) { | |
b.name = 'safari'; | |
b.safari = true; | |
} else if (/Opera/.test(ua)) { | |
b.name = 'opera'; | |
b.opera = true; | |
} else { | |
b.name = 'other'; | |
b.unknown = true; | |
} | |
// detect browser version | |
if (b.msie) { | |
b.version = /MSIE (\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (b.firefox) { | |
b.version = /Firefox\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (b.chrome) { | |
b.version = /Chrome\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (b.safari) { | |
b.version = /Version\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (b.opera) { | |
b.version = /Version\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else { | |
b.version = 0; | |
} | |
// detect engine | |
if (/Trident/.test(ua) || b.msie) { | |
e.name = 'trident'; | |
e.trident = true; | |
} else if (/WebKit/.test(ua)) { // must be tested before Gecko | |
e.name = 'webkit'; | |
e.webkit = true; | |
} else if (/Gecko/.test(ua)) { | |
e.name = 'gecko'; | |
e.gecko = true; | |
} else if (/Presto/.test(ua)) { | |
e.name = 'presto'; | |
e.presto = true; | |
} else { | |
e.name = 'other'; | |
e.unknown = true; | |
} | |
// detect engine version | |
if (e.trident) { | |
e.version = /Trident/.test(ua)? /Trident\/(\d+(\.\d+)*)/.exec(ua)[1]: 0; | |
} else if (e.gecko) { | |
e.version = /rv:(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (e.webkit) { | |
e.version = /WebKit\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else if (e.presto) { | |
e.version = /Presto\/(\d+(\.\d+)*)/.exec(ua)[1]; | |
} else { | |
e.version = 0; | |
} | |
return agent; | |
}; | |
exports.parse = parse; |
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