SIU_Dran_net/Server/utils/logger.js

import { createLogger, format, transports } from 'winston';
import caller from 'caller';

const myFormat = format.printf(info => {
    const file = caller(); 
    return `[${info.timestamp}] [${info.level}] ${info.message}`;
});

const logger = createLogger({
    format: format.combine(
        format.colorize(), 
        format.timestamp(),
        myFormat
    ),
    transports: [
        new transports.File({
            maxsize: 5120000,
            maxFiles: 5,
            filename: `./logs/log-api.log`
        }),
        new transports.Console({
            level: 'debug'
        })
    ]
});

export default logger;