import winston from 'winston';
// Define log levels
const levels = {
error: 0,
warn: 1,
info: 2,
http: 3,
debug: 4,
};
// Define log level based on environment
const level = () => {
const env = process.env.NODE_ENV || 'development';
const isDevelopment = env === 'development';
return isDevelopment ? 'debug' : 'warn';
};
// Define colors for each level
const colors = {
error: 'red',
warn: 'yellow',
info: 'green',
http: 'magenta',
debug: 'white',
};
// Add colors to winston
winston.addColors(colors);
// Define the format for logs
const format = winston.format.combine(
winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss:ms' }),
winston.format.colorize({ all: true }),
winston.format.printf(
(info) => `${info.timestamp} ${info.level}: ${info.message}`,
),
);
// Define transports
const transports = [
new winston.transports.Console(),
new winston.transports.File({
filename: 'logs/error.log',
level: 'error',
}),
new winston.transports.File({ filename: 'logs/all.log' }),
];
// Create the logger
const logger = winston.createLogger({
level: level(),
levels,
format,
transports,
});
export default logger;