@grafana/faro-web-sdk/dist/esm/metas/shared/uaParser.js

Faro instrumentations, metas, transports for web.

import { UAParser } from 'ua-parser-js';
let cachedUA;
let cachedResult;
// Browser and OS meta providers both need to parse navigator.userAgent.
// Cache keyed on the UA string so we parse at most once per unique UA
// (test mutations of navigator.userAgent invalidate naturally).
export function getUAResult() {
    const currentUA = typeof navigator !== 'undefined' ? navigator.userAgent : '';
    if (cachedUA !== currentUA || !cachedResult) {
        cachedResult = new UAParser(currentUA).getResult();
        cachedUA = currentUA;
    }
    return cachedResult;
}
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