@rasla/express-logify/dist/middleware.js

A beautiful, fast, and type-safe logging middleware for Express.js applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.logger = logger;
const logger_1 = require("./logger");
function logger(options = {}) {
    const loggerInstance = new logger_1.Logger(options);
    return (req, res, next) => {
        // Skip logging for specified paths
        if (options.skip?.includes(req.path)) {
            return next();
        }
        const startTime = Date.now();
        // Get IP address
        const ip = req.headers["x-forwarded-for"] ||
            req.socket.remoteAddress ||
            "";
        // Store the original end function
        const originalEnd = res.end;
        // Override end function to capture response
        res.end = function (chunk, encoding, cb) {
            const duration = Date.now() - startTime;
            loggerInstance.info({
                method: req.method,
                path: req.path,
                statusCode: res.statusCode,
                duration,
                ip,
                message: `${req.method} ${req.path}`,
            });
            if (typeof encoding === "function") {
                // @ts-ignore
                return originalEnd.call(this, chunk, encoding);
            }
            // @ts-ignore
            return originalEnd.call(this, chunk, encoding, cb);
        }; // Type assertion needed due to complex express types
        // Error handling
        res.on("error", (error) => {
            const duration = Date.now() - startTime;
            loggerInstance.error({
                method: req.method,
                path: req.path,
                statusCode: res.statusCode,
                duration,
                ip,
                message: error.message,
            });
        });
        next();
    };
}