/**
* Request and Error Logging Middleware
*/
import { Request, Response, NextFunction } from 'express';
import Logger from './logger.js';
export function requestLogger(req: Request, res: Response, next: NextFunction): void {
const startTime = Date.now();
const requestId = req.headers['x-request-id'] as string || `req-${Date.now()}`;
// Add request ID to request
(req as any).requestId = requestId;
// Log request
Logger.info(
`Request: ${req.method} ${req.path}`,
{
type: 'request',
requestId,
method: req.method,
path: req.path,
query: req.query,
ip: req.ip,
userAgent: req.headers['user-agent'],
}
);
// Log response on finish
res.on('finish', () => {
const duration = Date.now() - startTime;
Logger.info(
`Response: ${req.method} ${req.path} ${res.statusCode} (${duration}ms)`,
{
type: 'response',
requestId,
method: req.method,
path: req.path,
statusCode: res.statusCode,
duration,
}
);
});
next();
}
export function errorLogger(err: Error, req: Request, _res: Response, next: NextFunction): void {
const requestId = (req as any).requestId || 'unknown';
Logger.error(
`Error: ${err.name} - ${err.message}`,
{
type: 'error',
requestId,
method: req.method,
path: req.path,
error: {
message: err.message,
name: err.name,
stack: err.stack,
},
}
);
next(err);
}
