browser-version-info/index.js

This library helps us detect browser name, versions and more.

export function get_browser() {
    var ua = navigator.userAgent, tem, M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
    if (/trident/i.test(M[1])) {
        tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
        return { name: 'IE', version: (tem[1] || '') };
    }
    if (M[1] === 'Chrome') {
        tem = ua.match(/\bOPR\/(\d+)/)
        if (tem != null) { return { name: 'Opera', version: tem[1] }; }
    }
    if (window.navigator.userAgent.indexOf("Edge") > -1) {
        tem = ua.match(/\Edge\/(\d+)/)
        if (tem != null) { return { name: 'Edge', version: tem[1] }; }
    }
    M = M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, '-?'];
    if ((tem = ua.match(/version\/(\d+)/i)) != null) { M.splice(1, 1, tem[1]); }
    return {
        name: M[0],
        version: +M[1]
    };
}

export function isSupported(browser, Supports) {
    var supported = false;
    const browserName = browser.name.toUpperCase()
    if (browserName === "CHROME" && browser.version >= Supports[browserName]) {
        supported = true;
    } else if ((browser.name === "MSIE" || browser.name === "IE") && browser.version >= Supports[browserName]) {
        supported = true;
    } else if (browser.name === "Edge" && browser.version >= Supports[browserName]) {
        supported = true;
    }
    return supported;
}