1753e35cd3
- Implemented centralized logging utility using Winston with daily log rotation - Added logging middleware for request and error tracking - Extended .env.example with logging configuration options - Updated app configuration to support flexible logging settings - Replaced console.log with structured logging in main application entry point - Created logging middleware to capture request details and response times
112 lines
2.4 KiB
TypeScript
112 lines
2.4 KiB
TypeScript
/**
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* Logging Module
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*
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* This module provides logging functionality with rotation support.
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* It uses winston for logging and winston-daily-rotate-file for rotation.
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*
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* @module logger
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*/
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import winston from 'winston';
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import 'winston-daily-rotate-file';
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import { APP_CONFIG } from '../config/app.config.js';
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/**
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* Log levels configuration
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* Defines the severity levels for logging
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*/
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const levels = {
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error: 0,
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warn: 1,
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info: 2,
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http: 3,
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debug: 4,
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};
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/**
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* Log level colors configuration
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* Defines colors for different log levels
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*/
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const colors = {
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error: 'red',
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warn: 'yellow',
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info: 'green',
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http: 'magenta',
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debug: 'white',
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};
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/**
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* Add colors to winston
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*/
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winston.addColors(colors);
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/**
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* Log format configuration
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* Defines how log messages are formatted
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*/
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const format = winston.format.combine(
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winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss:ms' }),
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winston.format.colorize({ all: true }),
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winston.format.printf(
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(info) => `${info.timestamp} ${info.level}: ${info.message}`,
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),
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);
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/**
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* Transport for daily rotating file
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* Configures how logs are rotated and stored
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*/
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const dailyRotateFileTransport = new winston.transports.DailyRotateFile({
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filename: 'logs/%DATE%.log',
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datePattern: 'YYYY-MM-DD',
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zippedArchive: true,
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maxSize: '20m',
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maxFiles: '14d',
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format: winston.format.combine(
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winston.format.uncolorize(),
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winston.format.timestamp(),
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winston.format.json()
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)
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});
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/**
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* Transport for error logs
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* Stores error logs in a separate file
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*/
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const errorFileTransport = new winston.transports.DailyRotateFile({
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filename: 'logs/error-%DATE%.log',
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datePattern: 'YYYY-MM-DD',
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level: 'error',
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zippedArchive: true,
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maxSize: '20m',
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maxFiles: '14d',
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format: winston.format.combine(
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winston.format.uncolorize(),
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winston.format.timestamp(),
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winston.format.json()
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)
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});
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/**
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* Create the logger instance
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*/
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const logger = winston.createLogger({
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level: APP_CONFIG.NODE_ENV === 'development' ? 'debug' : 'info',
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levels,
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format,
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transports: [
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new winston.transports.Console({
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format: winston.format.combine(
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winston.format.colorize(),
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winston.format.simple()
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)
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}),
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dailyRotateFileTransport,
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errorFileTransport
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],
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});
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/**
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* Export the logger instance
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*/
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export { logger };
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