@fran-834/gs-microservice-core/dist/helpers/logger/morganMiddleware.js

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

import morgan from "morgan";
import logger from "./logger.js";
/**
 * Morgan token to get the request ID.
 * Returns the request ID if it exists.
 */
morgan.token("id", function getId(req) {
    return req.id;
});
morgan.token("browser", function getBrowser(req) {
    return req.context?.userAgent?.browser;
});
morgan.token("os", function getOS(req) {
    return req.context?.userAgent?.os;
});
morgan.token("device", function getDevice(req) {
    return req.context?.userAgent?.device;
});
/**
 * Express middleware for HTTP logging with Morgan and Winston.
 * Logs request details in JSON format.
 */
const morganMiddleware = morgan(function (tokens, req, res) {
    return JSON.stringify({
        requestId: tokens.id(req, res),
        client_ip: req.ip,
        method: tokens.method(req, res),
        url: tokens.url(req, res),
        status: Number.parseFloat(tokens.status(req, res) ?? "0"),
        content_length: tokens.res(req, res, "content-length"),
        response_time: Number.parseFloat(tokens["response-time"](req, res) ?? "0"),
        browser: tokens.browser(req, res),
        os: tokens.os(req, res),
        device: tokens.device(req, res),
    });
}, {
    skip: (req) => req.method === "OPTIONS" || req.url === "/health" || req.url.startsWith("/metrics"),
    stream: {
        // Configure Morgan to use our custom logger with the http severity
        write: (message) => {
            const data = JSON.parse(message);
            logger.info(`incoming-request`, data);
        },
    },
});
export default morganMiddleware;