import winston from 'winston';
import { config } from '@config/index';
const { combine, timestamp, errors, json, printf, colorize } = winston.format;
// Custom format for console output in development
const consoleFormat = printf(({ level, message, timestamp, ...metadata }) => {
let msg = `${timestamp} [${level}]: ${message}`;
if (Object.keys(metadata).length > 0) {
msg += ` ${JSON.stringify(metadata)}`;
}
return msg;
});
// Create logger instance
export const logger = winston.createLogger({
level: config.logging.level,
format: combine(
errors({ stack: true }),
timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
config.logging.format === 'json' ? json() : consoleFormat
),
defaultMeta: {
service: 'skyfi-mcp',
},
transports: [
// Console transport
new winston.transports.Console({
format:
config.nodeEnv === 'development'
? combine(colorize(), consoleFormat)
: json(),
}),
// File transports for production
...(config.nodeEnv === 'production'
? [
new winston.transports.File({
filename: 'logs/error.log',
level: 'error',
format: json(),
}),
new winston.transports.File({
filename: 'logs/combined.log',
format: json(),
}),
]
: []),
],
});
// Create logs directory if it doesn't exist (for file transports)
if (config.nodeEnv === 'production') {
const fs = require('fs');
const path = require('path');
const logsDir = path.join(process.cwd(), 'logs');
if (!fs.existsSync(logsDir)) {
fs.mkdirSync(logsDir, { recursive: true });
}
}
export default logger;
