@sebgroup/frontend-tools/getBrowserVersion/getBrowserVersion.js

A set of frontend tools

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

/**
 * Get the version of the current browser
 * @note This method detects the browser version by the navigator's user agent (`navigator.userAgent`)
 * @returns {number} The browser version, it will return `0` if it fails to find it
 */
function getBrowserVersion() {
    const userAgent = navigator.userAgent;
    let temp;
    let match = userAgent.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
    if (/trident/i.test(match[1])) {
        temp = /\brv[ :]+(\d+)/g.exec(userAgent) || [];
        return +(temp[1] || 0);
    }
    if (match[1] === "Chrome") {
        temp = userAgent.match(/\bOPR|Edge\/(\d+)/);
        if (temp != null) {
            return +temp[1] || 0;
        }
    }
    match = match[2]
        ? [match[1], match[2]]
        : [navigator.appName, navigator.appVersion, "-?"];
    temp = userAgent.match(/version\/(\d+)/i);
    if (temp != null) {
        match.splice(1, 1, temp[1]);
    }
    return +match[1] || 0;
}

exports.getBrowserVersion = getBrowserVersion;
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