index.js

module.exports = {
    useragent_is: function (ua, options) {
        if (!ua) {
            // No user agent.
            return;
        }
        if (typeof ua !== 'string') {
            throw new Error('User agent must be a string');
        }
        options = options || {};
        options.unknownDeviceType = options.unknownDeviceType || 'phone';

        // overwrite Flipboard user agent otherwise it's detected as a desktop
        if( ua.match(/FlipboardProxy/i) )
            ua = 'FlipboardProxy/1.1;  http://flipboard.com/browserproxy';
        if( ua.match(/Applebot/i) )
            ua = 'Applebot/0.1;  http://www.apple.com/go/applebot';
        if (ua.match(/GoogleTV|SmartTV|Internet TV|NetCast|NETTV|AppleTV|boxee|Kylo|Roku|DLNADOC|hbbtv|CE\-HTML/i)) {
            // if user agent is a smart TV - http://goo.gl/FocDk
            return 'tv';
        } else if (ua.match(/Xbox|PLAYSTATION 3|Wii/i)) {
            // if user agent is a TV Based Gaming Console
            return 'tv';
        } else if (ua.match(/iP(a|ro)d/i) || (ua.match(/tablet/i) && !ua.match(/RX-34/i)) || ua.match(/FOLIO/i)) {
            // if user agent is a Tablet
            return 'tablet';
        } else if (ua.match(/Linux/i) && ua.match(/Android/i) && !ua.match(/Fennec|mobi|HTC Magic|HTCX06HT|Nexus One|SC-02B|fone 945/i)) {
            // if user agent is an Android Tablet
            return 'tablet';
        } else if (ua.match(/Kindle/i) || (ua.match(/Mac OS/i) && ua.match(/Silk/i)) || (ua.match(/AppleWebKit/i) && ua.match(/Silk/i) && !ua.match(/Playstation Vita/i))) {
            // if user agent is a Kindle or Kindle Fire
            return 'tablet';
        } else if (ua.match(/GT-P10|SC-01C|SHW-M180S|SGH-T849|SCH-I800|SHW-M180L|SPH-P100|SGH-I987|zt180|HTC( Flyer|_Flyer)|Sprint ATP51|ViewPad7|pandigital(sprnova|nova)|Ideos S7|Dell Streak 7|Advent Vega|A101IT|A70BHT|MID7015|Next2|nook/i) || (ua.match(/MB511/i) && ua.match(/RUTEM/i))) {
            // if user agent is a pre Android 3.0 Tablet
            return 'tablet';
        } else if (ua.match(/BOLT|Fennec|Iris|Maemo|Minimo|Mobi|mowser|NetFront|Novarra|Prism|RX-34|Skyfire|Tear|XV6875|XV6975|Google Wireless Transcoder/i)) {
            // if user agent is unique phone User Agent
            return 'phone';
        } else if (ua.match(/Opera/i) && ua.match(/Windows NT 5/i) && ua.match(/HTC|Xda|Mini|Vario|SAMSUNG\-GT\-i8000|SAMSUNG\-SGH\-i9/i)) {
            // if user agent is an odd Opera User Agent - http://goo.gl/nK90K
            return 'phone';
        } else if ((ua.match(/Windows (NT|XP|ME|9)/) && !ua.match(/Phone/i)) && !ua.match(/Bot|Spider|ia_archiver|NewsGator/i) || ua.match(/Win( ?9|NT)/i)) {
            // if user agent is Windows Desktop
            return 'desktop';
        } else if (ua.match(/Macintosh|PowerPC/i) && !ua.match(/Silk/i)) {
            // if agent is Mac Desktop
            return 'desktop';
        } else if (ua.match(/Linux/i) && ua.match(/X11/i) && !ua.match(/Charlotte/i)) {
            // if user agent is a Linux Desktop
            return 'desktop';
        } else if (ua.match(/CrOS/)) {
            // if user agent is a Chrome Book
            return 'desktop';
        } else if (ua.match(/Solaris|SunOS|BSD/i)) {
            // if user agent is a Solaris, SunOS, BSD Desktop
            return 'desktop';
        } else if (ua.match(/Mozilla\/5\.0 \(\)|jack|Applebot|FlipboardProxy|Go 1.1 package|HTMLParser|simplereach|python-requests|ShowyouBot|MetaURI|nineconnections|(^Java\/[0-9._]*)|Commons-HttpClient|InAGist|HTTP-Java-Client|curl|Bot|B-O-T|Crawler|Spider|Spyder|Yahoo|ia_archiver|Covario-IDS|findlinks|DataparkSearch|larbin|Mediapartners-Google|NG-Search|Snappy|Teoma|Jeeves|Charlotte|NewsGator|TinEye|Cerberian|SearchSight|Zao|Scrubby|Qseero|PycURL|Pompos|oegp|SBIder|yoogliFetchAgent|yacy|webcollage|VYU2|voyager|updated|truwoGPS|StackRambler|Sqworm|silk|semanticdiscovery|ScoutJet|Nymesis|NetResearchServer|MVAClient|mogimogi|Mnogosearch|Arachmo|Accoona|holmes|htdig|ichiro|webis|LinkWalker|lwp-trivial|facebookexternalhit/i) && !ua.match(/phone|Playstation/i)) {
            // if user agent is a BOT/Crawler/Spider
            return 'bot';
        } else {
            // Otherwise assume it is a phone Device
            return options.unknownDeviceType;
        }
    }
}