Re_Backend/src/utils/logger.ts
2025-10-29 19:31:40 +05:30

56 lines
1.5 KiB
TypeScript

import winston from 'winston';
import path from 'path';
const logDir = process.env.LOG_FILE_PATH || './logs';
// Create logger instance
const logger = winston.createLogger({
level: process.env.LOG_LEVEL || 'info',
format: winston.format.combine(
winston.format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss',
}),
winston.format.errors({ stack: true }),
winston.format.json()
),
defaultMeta: { service: 're-workflow-backend' },
transports: [
// Write all logs with level 'error' and below to error.log
new winston.transports.File({
filename: path.join(logDir, 'error.log'),
level: 'error',
maxsize: 5242880, // 5MB
maxFiles: 5,
}),
// Write all logs with level 'info' and below to combined.log
new winston.transports.File({
filename: path.join(logDir, 'combined.log'),
maxsize: 5242880, // 5MB
maxFiles: 5,
}),
],
});
// If we're not in production, log to the console as well
if (process.env.NODE_ENV !== 'production') {
logger.add(
new winston.transports.Console({
format: winston.format.combine(
winston.format.colorize(),
winston.format.simple()
),
})
);
}
// Create a stream object for Morgan HTTP logging
// Use type assertion to bypass TypeScript's strict checking for the stream property
const loggerWithStream = logger as any;
loggerWithStream.stream = {
write: (message: string) => {
logger.info(message.trim());
},
};
export default loggerWithStream as winston.Logger;