traxxx/src/logger.js

'use strict';

const util = require('util');
const winston = require('winston');
const args = require('./argv');
require('winston-daily-rotate-file');

function logger(filename) {
    return winston.createLogger({
        format: winston.format.combine(
            winston.format.timestamp(),
            winston.format.printf(info => `${info.timestamp} [${info.label}] ${info.level}: ${util.inspect(info.message)}`),
        ),
        transports: [
            new winston.transports.Console({
                level: args.level,
                format: winston.format.combine(
                    winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
                    winston.format.colorize(),
                    // winston.format.printf(info => `${info.timestamp} ${info.level}: ${info.message}`),
                    winston.format.printf(info => `${info.timestamp} ${info.level} [${filename}]: ${util.inspect(info.message)}`),
                ),
                timestamp: true,
            }),
            new winston.transports.DailyRotateFile({
                datePattern: 'YYYY-MM-DD',
                filename: 'log/%DATE%.log',
                level: 'silly',
            }),
        ],
    });
}

module.exports = logger;