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/*! |
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* Bowser - a browser detector |
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* https://github.com/ded/bowser |
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* MIT License | (c) Dustin Diaz 2015 |
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*/ |
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!function (root, name, definition) { |
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if (typeof module != 'undefined' && module.exports) module.exports = definition() |
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else if (typeof define == 'function' && define.amd) define(name, definition) |
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else root[name] = definition() |
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}(this, 'bowser', function () { |
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/** |
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* See useragents.js for examples of navigator.userAgent |
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*/ |
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var t = true |
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function detect(ua) { |
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function getFirstMatch(regex) { |
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var match = ua.match(regex); |
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return (match && match.length > 1 && match[1]) || ''; |
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} |
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function getSecondMatch(regex) { |
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var match = ua.match(regex); |
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return (match && match.length > 1 && match[2]) || ''; |
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} |
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var iosdevice = getFirstMatch(/(ipod|iphone|ipad)/i).toLowerCase() |
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, likeAndroid = /like android/i.test(ua) |
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, android = !likeAndroid && /android/i.test(ua) |
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, nexusMobile = /nexus\s*[0-6]\s*/i.test(ua) |
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, nexusTablet = !nexusMobile && /nexus\s*[0-9]+/i.test(ua) |
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, chromeos = /CrOS/.test(ua) |
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, silk = /silk/i.test(ua) |
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, sailfish = /sailfish/i.test(ua) |
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, tizen = /tizen/i.test(ua) |
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, webos = /(web|hpw)os/i.test(ua) |
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, windowsphone = /windows phone/i.test(ua) |
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, samsungBrowser = /SamsungBrowser/i.test(ua) |
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, windows = !windowsphone && /windows/i.test(ua) |
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, mac = !iosdevice && !silk && /macintosh/i.test(ua) |
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, linux = !android && !sailfish && !tizen && !webos && /linux/i.test(ua) |
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, edgeVersion = getFirstMatch(/edge\/(\d+(\.\d+)?)/i) |
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, versionIdentifier = getFirstMatch(/version\/(\d+(\.\d+)?)/i) |
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, tablet = /tablet/i.test(ua) |
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, mobile = !tablet && /[^-]mobi/i.test(ua) |
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, xbox = /xbox/i.test(ua) |
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, result |
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if (/opera/i.test(ua)) { |
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// an old Opera |
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result = { |
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name: 'Opera' |
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, opera: t |
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, version: versionIdentifier || getFirstMatch(/(?:opera|opr|opios)[\s\/](\d+(\.\d+)?)/i) |
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} |
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} else if (/opr|opios/i.test(ua)) { |
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// a new Opera |
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result = { |
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name: 'Opera' |
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, opera: t |
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, version: getFirstMatch(/(?:opr|opios)[\s\/](\d+(\.\d+)?)/i) || versionIdentifier |
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} |
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} |
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else if (/SamsungBrowser/i.test(ua)) { |
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result = { |
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name: 'Samsung Internet for Android' |
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, samsungBrowser: t |
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, version: versionIdentifier || getFirstMatch(/(?:SamsungBrowser)[\s\/](\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/coast/i.test(ua)) { |
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result = { |
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name: 'Opera Coast' |
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, coast: t |
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, version: versionIdentifier || getFirstMatch(/(?:coast)[\s\/](\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/yabrowser/i.test(ua)) { |
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result = { |
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name: 'Yandex Browser' |
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, yandexbrowser: t |
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, version: versionIdentifier || getFirstMatch(/(?:yabrowser)[\s\/](\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/ucbrowser/i.test(ua)) { |
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result = { |
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name: 'UC Browser' |
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, ucbrowser: t |
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, version: getFirstMatch(/(?:ucbrowser)[\s\/](\d+(?:\.\d+)+)/i) |
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} |
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} |
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else if (/mxios/i.test(ua)) { |
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result = { |
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name: 'Maxthon' |
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, maxthon: t |
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, version: getFirstMatch(/(?:mxios)[\s\/](\d+(?:\.\d+)+)/i) |
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} |
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} |
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else if (/epiphany/i.test(ua)) { |
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result = { |
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name: 'Epiphany' |
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, epiphany: t |
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, version: getFirstMatch(/(?:epiphany)[\s\/](\d+(?:\.\d+)+)/i) |
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} |
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} |
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else if (/puffin/i.test(ua)) { |
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result = { |
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name: 'Puffin' |
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, puffin: t |
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, version: getFirstMatch(/(?:puffin)[\s\/](\d+(?:\.\d+)?)/i) |
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} |
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} |
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else if (/sleipnir/i.test(ua)) { |
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result = { |
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name: 'Sleipnir' |
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, sleipnir: t |
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, version: getFirstMatch(/(?:sleipnir)[\s\/](\d+(?:\.\d+)+)/i) |
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} |
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} |
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else if (/k-meleon/i.test(ua)) { |
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result = { |
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name: 'K-Meleon' |
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, kMeleon: t |
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, version: getFirstMatch(/(?:k-meleon)[\s\/](\d+(?:\.\d+)+)/i) |
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} |
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} |
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else if (windowsphone) { |
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result = { |
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name: 'Windows Phone' |
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, windowsphone: t |
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} |
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if (edgeVersion) { |
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result.msedge = t |
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result.version = edgeVersion |
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} |
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else { |
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result.msie = t |
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result.version = getFirstMatch(/iemobile\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/msie|trident/i.test(ua)) { |
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result = { |
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name: 'Internet Explorer' |
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, msie: t |
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, version: getFirstMatch(/(?:msie |rv:)(\d+(\.\d+)?)/i) |
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} |
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} else if (chromeos) { |
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result = { |
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name: 'Chrome' |
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, chromeos: t |
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, chromeBook: t |
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, chrome: t |
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, version: getFirstMatch(/(?:chrome|crios|crmo)\/(\d+(\.\d+)?)/i) |
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} |
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} else if (/chrome.+? edge/i.test(ua)) { |
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result = { |
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name: 'Microsoft Edge' |
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, msedge: t |
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, version: edgeVersion |
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} |
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} |
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else if (/vivaldi/i.test(ua)) { |
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result = { |
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name: 'Vivaldi' |
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, vivaldi: t |
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, version: getFirstMatch(/vivaldi\/(\d+(\.\d+)?)/i) || versionIdentifier |
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} |
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} |
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else if (sailfish) { |
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result = { |
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name: 'Sailfish' |
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, sailfish: t |
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, version: getFirstMatch(/sailfish\s?browser\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/seamonkey\//i.test(ua)) { |
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result = { |
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name: 'SeaMonkey' |
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, seamonkey: t |
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, version: getFirstMatch(/seamonkey\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/firefox|iceweasel|fxios/i.test(ua)) { |
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result = { |
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name: 'Firefox' |
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, firefox: t |
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, version: getFirstMatch(/(?:firefox|iceweasel|fxios)[ \/](\d+(\.\d+)?)/i) |
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} |
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if (/\((mobile|tablet);[^\)]*rv:[\d\.]+\)/i.test(ua)) { |
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result.firefoxos = t |
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} |
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} |
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else if (silk) { |
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result = { |
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name: 'Amazon Silk' |
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, silk: t |
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, version : getFirstMatch(/silk\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/phantom/i.test(ua)) { |
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result = { |
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name: 'PhantomJS' |
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, phantom: t |
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, version: getFirstMatch(/phantomjs\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/slimerjs/i.test(ua)) { |
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result = { |
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name: 'SlimerJS' |
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, slimer: t |
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, version: getFirstMatch(/slimerjs\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (/blackberry|\bbb\d+/i.test(ua) || /rim\stablet/i.test(ua)) { |
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result = { |
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name: 'BlackBerry' |
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, blackberry: t |
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, version: versionIdentifier || getFirstMatch(/blackberry[\d]+\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (webos) { |
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result = { |
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name: 'WebOS' |
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, webos: t |
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, version: versionIdentifier || getFirstMatch(/w(?:eb)?osbrowser\/(\d+(\.\d+)?)/i) |
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}; |
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/touchpad\//i.test(ua) && (result.touchpad = t) |
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} |
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else if (/bada/i.test(ua)) { |
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result = { |
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name: 'Bada' |
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, bada: t |
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, version: getFirstMatch(/dolfin\/(\d+(\.\d+)?)/i) |
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}; |
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} |
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else if (tizen) { |
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result = { |
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name: 'Tizen' |
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, tizen: t |
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, version: getFirstMatch(/(?:tizen\s?)?browser\/(\d+(\.\d+)?)/i) || versionIdentifier |
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}; |
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} |
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else if (/qupzilla/i.test(ua)) { |
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result = { |
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name: 'QupZilla' |
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, qupzilla: t |
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, version: getFirstMatch(/(?:qupzilla)[\s\/](\d+(?:\.\d+)+)/i) || versionIdentifier |
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} |
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} |
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else if (/chromium/i.test(ua)) { |
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result = { |
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name: 'Chromium' |
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, chromium: t |
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, version: getFirstMatch(/(?:chromium)[\s\/](\d+(?:\.\d+)?)/i) || versionIdentifier |
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} |
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} |
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else if (/chrome|crios|crmo/i.test(ua)) { |
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result = { |
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name: 'Chrome' |
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, chrome: t |
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, version: getFirstMatch(/(?:chrome|crios|crmo)\/(\d+(\.\d+)?)/i) |
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} |
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} |
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else if (android) { |
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result = { |
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name: 'Android' |
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, version: versionIdentifier |
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} |
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} |
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else if (/safari|applewebkit/i.test(ua)) { |
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result = { |
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name: 'Safari' |
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, safari: t |
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} |
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if (versionIdentifier) { |
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result.version = versionIdentifier |
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} |
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} |
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else if (iosdevice) { |
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result = { |
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name : iosdevice == 'iphone' ? 'iPhone' : iosdevice == 'ipad' ? 'iPad' : 'iPod' |
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} |
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// WTF: version is not part of user agent in web apps |
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if (versionIdentifier) { |
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result.version = versionIdentifier |
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} |
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} |
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else if(/googlebot/i.test(ua)) { |
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result = { |
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name: 'Googlebot' |
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, googlebot: t |
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, version: getFirstMatch(/googlebot\/(\d+(\.\d+))/i) || versionIdentifier |
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} |
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} |
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else { |
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result = { |
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name: getFirstMatch(/^(.*)\/(.*) /), |
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version: getSecondMatch(/^(.*)\/(.*) /) |
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}; |
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} |
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305
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// set webkit or gecko flag for browsers based on these engines |
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306
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if (!result.msedge && /(apple)?webkit/i.test(ua)) { |
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307
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if (/(apple)?webkit\/537\.36/i.test(ua)) { |
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result.name = result.name || "Blink" |
|
309
|
|
|
result.blink = t |
|
310
|
|
|
} else { |
|
311
|
|
|
result.name = result.name || "Webkit" |
|
312
|
|
|
result.webkit = t |
|
313
|
|
|
} |
|
314
|
|
|
if (!result.version && versionIdentifier) { |
|
315
|
|
|
result.version = versionIdentifier |
|
316
|
|
|
} |
|
317
|
|
|
} else if (!result.opera && /gecko\//i.test(ua)) { |
|
318
|
|
|
result.name = result.name || "Gecko" |
|
319
|
|
|
result.gecko = t |
|
320
|
|
|
result.version = result.version || getFirstMatch(/gecko\/(\d+(\.\d+)?)/i) |
|
321
|
|
|
} |
|
322
|
|
|
|
|
323
|
|
|
// set OS flags for platforms that have multiple browsers |
|
324
|
|
|
if (!result.windowsphone && !result.msedge && (android || result.silk)) { |
|
325
|
|
|
result.android = t |
|
326
|
|
|
} else if (!result.windowsphone && !result.msedge && iosdevice) { |
|
327
|
|
|
result[iosdevice] = t |
|
328
|
|
|
result.ios = t |
|
329
|
|
|
} else if (mac) { |
|
330
|
|
|
result.mac = t |
|
331
|
|
|
} else if (xbox) { |
|
332
|
|
|
result.xbox = t |
|
333
|
|
|
} else if (windows) { |
|
334
|
|
|
result.windows = t |
|
335
|
|
|
} else if (linux) { |
|
336
|
|
|
result.linux = t |
|
337
|
|
|
} |
|
338
|
|
|
|
|
339
|
|
|
function getWindowsVersion (s) { |
|
340
|
|
|
switch (s) { |
|
341
|
|
|
case 'NT': return 'NT' |
|
342
|
|
|
case 'XP': return 'XP' |
|
343
|
|
|
case 'NT 5.0': return '2000' |
|
344
|
|
|
case 'NT 5.1': return 'XP' |
|
345
|
|
|
case 'NT 5.2': return '2003' |
|
346
|
|
|
case 'NT 6.0': return 'Vista' |
|
347
|
|
|
case 'NT 6.1': return '7' |
|
348
|
|
|
case 'NT 6.2': return '8' |
|
349
|
|
|
case 'NT 6.3': return '8.1' |
|
350
|
|
|
case 'NT 10.0': return '10' |
|
351
|
|
|
default: return undefined |
|
352
|
|
|
} |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
|
|
// OS version extraction |
|
356
|
|
|
var osVersion = ''; |
|
357
|
|
|
if (result.windows) { |
|
358
|
|
|
osVersion = getWindowsVersion(getFirstMatch(/Windows ((NT|XP)( \d\d?.\d)?)/i)) |
|
359
|
|
|
} else if (result.windowsphone) { |
|
360
|
|
|
osVersion = getFirstMatch(/windows phone (?:os)?\s?(\d+(\.\d+)*)/i); |
|
361
|
|
|
} else if (result.mac) { |
|
362
|
|
|
osVersion = getFirstMatch(/Mac OS X (\d+([_\.\s]\d+)*)/i); |
|
363
|
|
|
osVersion = osVersion.replace(/[_\s]/g, '.'); |
|
364
|
|
|
} else if (iosdevice) { |
|
365
|
|
|
osVersion = getFirstMatch(/os (\d+([_\s]\d+)*) like mac os x/i); |
|
366
|
|
|
osVersion = osVersion.replace(/[_\s]/g, '.'); |
|
367
|
|
|
} else if (android) { |
|
368
|
|
|
osVersion = getFirstMatch(/android[ \/-](\d+(\.\d+)*)/i); |
|
369
|
|
|
} else if (result.webos) { |
|
370
|
|
|
osVersion = getFirstMatch(/(?:web|hpw)os\/(\d+(\.\d+)*)/i); |
|
371
|
|
|
} else if (result.blackberry) { |
|
372
|
|
|
osVersion = getFirstMatch(/rim\stablet\sos\s(\d+(\.\d+)*)/i); |
|
373
|
|
|
} else if (result.bada) { |
|
374
|
|
|
osVersion = getFirstMatch(/bada\/(\d+(\.\d+)*)/i); |
|
375
|
|
|
} else if (result.tizen) { |
|
376
|
|
|
osVersion = getFirstMatch(/tizen[\/\s](\d+(\.\d+)*)/i); |
|
377
|
|
|
} |
|
378
|
|
|
if (osVersion) { |
|
379
|
|
|
result.osversion = osVersion; |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
// device type extraction |
|
383
|
|
|
var osMajorVersion = !result.windows && osVersion.split('.')[0]; |
|
384
|
|
|
if ( |
|
385
|
|
|
tablet |
|
386
|
|
|
|| nexusTablet |
|
387
|
|
|
|| iosdevice == 'ipad' |
|
388
|
|
|
|| (android && (osMajorVersion == 3 || (osMajorVersion >= 4 && !mobile))) |
|
389
|
|
|
|| result.silk |
|
390
|
|
|
) { |
|
391
|
|
|
result.tablet = t |
|
392
|
|
|
} else if ( |
|
393
|
|
|
mobile |
|
394
|
|
|
|| iosdevice == 'iphone' |
|
395
|
|
|
|| iosdevice == 'ipod' |
|
396
|
|
|
|| android |
|
397
|
|
|
|| nexusMobile |
|
398
|
|
|
|| result.blackberry |
|
399
|
|
|
|| result.webos |
|
400
|
|
|
|| result.bada |
|
401
|
|
|
) { |
|
402
|
|
|
result.mobile = t |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
// Graded Browser Support |
|
406
|
|
|
// http://developer.yahoo.com/yui/articles/gbs |
|
407
|
|
|
if (result.msedge || |
|
408
|
|
|
(result.msie && result.version >= 10) || |
|
409
|
|
|
(result.yandexbrowser && result.version >= 15) || |
|
410
|
|
|
(result.vivaldi && result.version >= 1.0) || |
|
411
|
|
|
(result.chrome && result.version >= 20) || |
|
412
|
|
|
(result.samsungBrowser && result.version >= 4) || |
|
413
|
|
|
(result.firefox && result.version >= 20.0) || |
|
414
|
|
|
(result.safari && result.version >= 6) || |
|
415
|
|
|
(result.opera && result.version >= 10.0) || |
|
416
|
|
|
(result.ios && result.osversion && result.osversion.split(".")[0] >= 6) || |
|
417
|
|
|
(result.blackberry && result.version >= 10.1) |
|
418
|
|
|
|| (result.chromium && result.version >= 20) |
|
419
|
|
|
) { |
|
420
|
|
|
result.a = t; |
|
421
|
|
|
} |
|
422
|
|
|
else if ((result.msie && result.version < 10) || |
|
423
|
|
|
(result.chrome && result.version < 20) || |
|
424
|
|
|
(result.firefox && result.version < 20.0) || |
|
425
|
|
|
(result.safari && result.version < 6) || |
|
426
|
|
|
(result.opera && result.version < 10.0) || |
|
427
|
|
|
(result.ios && result.osversion && result.osversion.split(".")[0] < 6) |
|
428
|
|
|
|| (result.chromium && result.version < 20) |
|
429
|
|
|
) { |
|
430
|
|
|
result.c = t |
|
431
|
|
|
} else result.x = t |
|
|
|
|
|
|
432
|
|
|
|
|
433
|
|
|
return result |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
var bowser = detect(typeof navigator !== 'undefined' ? navigator.userAgent || '' : '') |
|
|
|
|
|
|
437
|
|
|
|
|
438
|
|
|
bowser.test = function (browserList) { |
|
439
|
|
|
for (var i = 0; i < browserList.length; ++i) { |
|
440
|
|
|
var browserItem = browserList[i]; |
|
441
|
|
|
if (typeof browserItem=== 'string') { |
|
442
|
|
|
if (browserItem in bowser) { |
|
443
|
|
|
return true; |
|
444
|
|
|
} |
|
445
|
|
|
} |
|
446
|
|
|
} |
|
447
|
|
|
return false; |
|
448
|
|
|
} |
|
449
|
|
|
|
|
450
|
|
|
/** |
|
451
|
|
|
* Get version precisions count |
|
452
|
|
|
* |
|
453
|
|
|
* @example |
|
454
|
|
|
* getVersionPrecision("1.10.3") // 3 |
|
455
|
|
|
* |
|
456
|
|
|
* @param {string} version |
|
457
|
|
|
* @return {number} |
|
458
|
|
|
*/ |
|
459
|
|
|
function getVersionPrecision(version) { |
|
460
|
|
|
return version.split(".").length; |
|
461
|
|
|
} |
|
462
|
|
|
|
|
463
|
|
|
/** |
|
464
|
|
|
* Array::map polyfill |
|
465
|
|
|
* |
|
466
|
|
|
* @param {Array} arr |
|
467
|
|
|
* @param {Function} iterator |
|
468
|
|
|
* @return {Array} |
|
469
|
|
|
*/ |
|
470
|
|
|
function map(arr, iterator) { |
|
471
|
|
|
var result = [], i; |
|
472
|
|
|
if (Array.prototype.map) { |
|
473
|
|
|
return Array.prototype.map.call(arr, iterator); |
|
474
|
|
|
} |
|
475
|
|
|
for (i = 0; i < arr.length; i++) { |
|
476
|
|
|
result.push(iterator(arr[i])); |
|
477
|
|
|
} |
|
478
|
|
|
return result; |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
/** |
|
482
|
|
|
* Calculate browser version weight |
|
483
|
|
|
* |
|
484
|
|
|
* @example |
|
485
|
|
|
* compareVersions(['1.10.2.1', '1.8.2.1.90']) // 1 |
|
486
|
|
|
* compareVersions(['1.010.2.1', '1.09.2.1.90']); // 1 |
|
487
|
|
|
* compareVersions(['1.10.2.1', '1.10.2.1']); // 0 |
|
488
|
|
|
* compareVersions(['1.10.2.1', '1.0800.2']); // -1 |
|
489
|
|
|
* |
|
490
|
|
|
* @param {Array<String>} versions versions to compare |
|
491
|
|
|
* @return {Number} comparison result |
|
492
|
|
|
*/ |
|
493
|
|
|
function compareVersions(versions) { |
|
494
|
|
|
// 1) get common precision for both versions, for example for "10.0" and "9" it should be 2 |
|
495
|
|
|
var precision = Math.max(getVersionPrecision(versions[0]), getVersionPrecision(versions[1])); |
|
496
|
|
|
var chunks = map(versions, function (version) { |
|
497
|
|
|
var delta = precision - getVersionPrecision(version); |
|
498
|
|
|
|
|
499
|
|
|
// 2) "9" -> "9.0" (for precision = 2) |
|
500
|
|
|
version = version + new Array(delta + 1).join(".0"); |
|
501
|
|
|
|
|
502
|
|
|
// 3) "9.0" -> ["000000000"", "000000009"] |
|
503
|
|
|
return map(version.split("."), function (chunk) { |
|
504
|
|
|
return new Array(20 - chunk.length).join("0") + chunk; |
|
505
|
|
|
}).reverse(); |
|
506
|
|
|
}); |
|
507
|
|
|
|
|
508
|
|
|
// iterate in reverse order by reversed chunks array |
|
509
|
|
|
while (--precision >= 0) { |
|
510
|
|
|
// 4) compare: "000000009" > "000000010" = false (but "9" > "10" = true) |
|
511
|
|
|
if (chunks[0][precision] > chunks[1][precision]) { |
|
512
|
|
|
return 1; |
|
513
|
|
|
} |
|
514
|
|
|
else if (chunks[0][precision] === chunks[1][precision]) { |
|
515
|
|
|
if (precision === 0) { |
|
516
|
|
|
// all version chunks are same |
|
517
|
|
|
return 0; |
|
518
|
|
|
} |
|
519
|
|
|
} |
|
520
|
|
|
else { |
|
521
|
|
|
return -1; |
|
522
|
|
|
} |
|
523
|
|
|
} |
|
|
|
|
|
|
524
|
|
|
} |
|
525
|
|
|
|
|
526
|
|
|
/** |
|
527
|
|
|
* Check if browser is unsupported |
|
528
|
|
|
* |
|
529
|
|
|
* @example |
|
530
|
|
|
* bowser.isUnsupportedBrowser({ |
|
531
|
|
|
* msie: "10", |
|
532
|
|
|
* firefox: "23", |
|
533
|
|
|
* chrome: "29", |
|
534
|
|
|
* safari: "5.1", |
|
535
|
|
|
* opera: "16", |
|
536
|
|
|
* phantom: "534" |
|
537
|
|
|
* }); |
|
538
|
|
|
* |
|
539
|
|
|
* @param {Object} minVersions map of minimal version to browser |
|
540
|
|
|
* @param {Boolean} [strictMode = false] flag to return false if browser wasn't found in map |
|
|
|
|
|
|
541
|
|
|
* @param {String} [ua] user agent string |
|
542
|
|
|
* @return {Boolean} |
|
543
|
|
|
*/ |
|
544
|
|
|
function isUnsupportedBrowser(minVersions, strictMode, ua) { |
|
545
|
|
|
var _bowser = bowser; |
|
546
|
|
|
|
|
547
|
|
|
// make strictMode param optional with ua param usage |
|
548
|
|
|
if (typeof strictMode === 'string') { |
|
549
|
|
|
ua = strictMode; |
|
550
|
|
|
strictMode = void(0); |
|
|
|
|
|
|
551
|
|
|
} |
|
552
|
|
|
|
|
553
|
|
|
if (strictMode === void(0)) { |
|
|
|
|
|
|
554
|
|
|
strictMode = false; |
|
555
|
|
|
} |
|
556
|
|
|
if (ua) { |
|
557
|
|
|
_bowser = detect(ua); |
|
558
|
|
|
} |
|
559
|
|
|
|
|
560
|
|
|
var version = "" + _bowser.version; |
|
561
|
|
|
for (var browser in minVersions) { |
|
562
|
|
|
if (minVersions.hasOwnProperty(browser)) { |
|
563
|
|
|
if (_bowser[browser]) { |
|
564
|
|
|
if (typeof minVersions[browser] !== 'string') { |
|
565
|
|
|
throw new Error('Browser version in the minVersion map should be a string: ' + browser + ': ' + String(minVersions)); |
|
566
|
|
|
} |
|
567
|
|
|
|
|
568
|
|
|
// browser version and min supported version. |
|
569
|
|
|
return compareVersions([version, minVersions[browser]]) < 0; |
|
570
|
|
|
} |
|
571
|
|
|
} |
|
572
|
|
|
} |
|
573
|
|
|
|
|
574
|
|
|
return strictMode; // not found |
|
575
|
|
|
} |
|
576
|
|
|
|
|
577
|
|
|
/** |
|
578
|
|
|
* Check if browser is supported |
|
579
|
|
|
* |
|
580
|
|
|
* @param {Object} minVersions map of minimal version to browser |
|
581
|
|
|
* @param {Boolean} [strictMode = false] flag to return false if browser wasn't found in map |
|
|
|
|
|
|
582
|
|
|
* @param {String} [ua] user agent string |
|
583
|
|
|
* @return {Boolean} |
|
584
|
|
|
*/ |
|
585
|
|
|
function check(minVersions, strictMode, ua) { |
|
586
|
|
|
return !isUnsupportedBrowser(minVersions, strictMode, ua); |
|
587
|
|
|
} |
|
588
|
|
|
|
|
589
|
|
|
bowser.isUnsupportedBrowser = isUnsupportedBrowser; |
|
590
|
|
|
bowser.compareVersions = compareVersions; |
|
591
|
|
|
bowser.check = check; |
|
592
|
|
|
|
|
593
|
|
|
/* |
|
594
|
|
|
* Set our detect method to the main bowser object so we can |
|
595
|
|
|
* reuse it to test other user agents. |
|
596
|
|
|
* This is needed to implement future tests. |
|
597
|
|
|
*/ |
|
598
|
|
|
bowser._detect = detect; |
|
599
|
|
|
|
|
600
|
|
|
return bowser |
|
601
|
|
|
}); |
|
602
|
|
|
|
blindsidenetworks /
moodle-tinymce_recordrtc
Loading history...
Consider adding curly braces around all statements when they are executed conditionally. This is optional if there is only one statement, but leaving them out can lead to unexpected behaviour if another statement is added later.
Consider:
If you or someone else later decides to put another statement in, only the first statement will be executed.
In this case the statement
b = 42will always be executed, while the logging statement will be executed conditionally.ensures that the proper code will be executed conditionally no matter how many statements are added or removed.