@fran-834/gs-microservice-core/dist/middleware/userAgent.middleware.js

Core package for Node.js microservices by Galduria Software. Includes security, logging, validation, and error handling middlewares.

import * as UAParser from "ua-parser-js";
export function userAgentMiddleware(req, _res, next) {
    const uaString = req.get("user-agent");
    if (!uaString) {
        req.context = {
            ...req.context,
            userAgent: {
                browser: "unknown",
                browserVersion: "unknown",
                os: "unknown",
                osVersion: "unknown",
                device: "unknown",
            },
        };
        return next();
    }
    const parser = new UAParser.UAParser(uaString);
    const ua = parser.getResult();
    req.context = {
        ...req.context,
        userAgent: {
            browser: ua.browser.name ?? "unknown",
            browserVersion: ua.browser.version ?? "unknown",
            os: ua.os.name ?? "unknown",
            osVersion: ua.os.version ?? "unknown",
            device: ua.device.type ?? "desktop",
        },
    };
    next();
}