lineupjs/src/browser.js

import { detect } from 'detect-browser';
export var SUPPORTED_FIREFOX_VERSION = 57;
export var SUPPORTED_CHROME_VERSION = 64;
export var SUPPORTED_EDGE_VERSION = 16;
/**
 * @internal
 */
export function getUnsupportedBrowserError() {
    var info = detect();
    if (!info || !info.version) {
        return 'browser cannot be detected';
    }
    var prefix = "unsupported browser detected:";
    switch (info.name) {
        case 'firefox':
            var fVersion = parseInt(info.version.slice(0, info.version.indexOf('.')), 10);
            if (fVersion <= SUPPORTED_FIREFOX_VERSION && fVersion !== 52) { // ESR
                return prefix + " Firefox " + info.version + " (&lt; " + SUPPORTED_FIREFOX_VERSION + ")";
            }
            return null;
        case 'edge':
            var eVersion = parseInt(info.version.slice(0, info.version.indexOf('.')), 10);
            if (eVersion <= SUPPORTED_EDGE_VERSION) {
                return prefix + " Edge " + info.version + " (&lt; " + SUPPORTED_EDGE_VERSION + ")";
            }
            return null;
        case 'chrome':
            var cVersion = parseInt(info.version.slice(0, info.version.indexOf('.')), 10);
            if (cVersion <= SUPPORTED_CHROME_VERSION) {
                return prefix + " Chrome " + info.version + " (&lt; " + SUPPORTED_CHROME_VERSION + ")";
            }
            return null;
        case 'ie':
            return prefix + " Internet Explorer";
    }
    console.warn('unknown browser detected', info, 'assuming fine...');
    return null;
}
/**
 * checks whether the current browser is compatible with lineupjs
 * @return boolean
 */
export function isBrowserSupported() {
    return getUnsupportedBrowserError() == null;
}
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