fengbot/src/lib/logger.ts

import winston from 'winston';
import 'winston-daily-rotate-file';

const botlogger = winston.createLogger({
    format: winston.format.combine(
        winston.format.timestamp(),
        winston.format.printf((info: winston.Logform.TransformableInfo) => {
            return `${info.timestamp} ${info.level}: ${info.message}`;
        })
    ),
    transports: [
        new winston.transports.DailyRotateFile({
            filename: 'logs/bot-%DATE%.log',
            datePattern: 'YYYY-MM-DD',
            maxSize: '20m',
            maxFiles: '14d'
        }),
        new winston.transports.Console()
    ]
});

export default botlogger;