devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (core/utils/browser.js)
* Version: 18.1.3
* Build date: Tue May 15 2018
*
* Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var extend = require("./extend").extend,
windowUtils = require("./window"),
navigator = windowUtils.getNavigator();
var webkitRegExp = /(webkit)[ \/]([\w.]+)/,
ieRegExp = /(msie) (\d{1,2}\.\d)/,
ie11RegExp = /(trident).*rv:(\d{1,2}\.\d)/,
msEdge = /(edge)\/((\d+)?[\w\.]+)/,
safari = /(safari)/i,
mozillaRegExp = /(mozilla)(?:.*? rv:([\w.]+))/;
var browserFromUA = function(ua) {
ua = ua.toLowerCase();
var result = {},
matches = ieRegExp.exec(ua) || ie11RegExp.exec(ua) || msEdge.exec(ua) || ua.indexOf("compatible") < 0 && mozillaRegExp.exec(ua) || webkitRegExp.exec(ua) || [],
browserName = matches[1],
browserVersion = matches[2];
if ("webkit" === browserName && ua.indexOf("chrome") < 0 && safari.exec(ua)) {
browserName = "safari";
result.webkit = true;
browserVersion = /Version\/([0-9.]+)/i.exec(ua);
browserVersion = browserVersion && browserVersion[1]
}
if ("trident" === browserName || "edge" === browserName) {
browserName = "msie"
}
if (browserName) {
result[browserName] = true;
result.version = browserVersion
}
return result
};
module.exports = extend({
_fromUA: browserFromUA
}, browserFromUA(navigator.userAgent));