package.json
"winston": "^3.2.1",
"winston-daily-rotate-file": "^4.4.0"
Log.ts
/*
* MIT License
*
* Copyright (c) 2018 Nhan Cao
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
// Init logger
import moment from "moment";
import * as logform from "logform";
const winston = require('winston');
require('winston-daily-rotate-file');
const environment = process.env.NODE_ENV || 'dev';
// @nhancv 2019-09-10: Format log with specific timezone
const logFormat: logform.Format = winston.format.combine(
winston.format.colorize(),
winston.format.timestamp(),
winston.format.align(),
winston.format.printf(
info => moment(info.timestamp).utc().utcOffset("+0700").format() + '-' + environment + '-message:' + info.message
),
);
// @nhancv 2019-09-10: MongoConnect for file transport
const fileTransport: Transport = new winston.transports.DailyRotateFile({
filename: './logs/%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
handleExceptions: true,
zippedArchive: false,
maxSize: '20m',
maxFiles: '15d'
});
// @nhancv 2019-09-10: MongoConnect for console transport
const consoleTransport: Transport = new winston.transports.Console({
handleExceptions: true,
});
// @nhancv 2019-09-10: Create new logger id
winston.loggers.add('Logger', {
format: logFormat,
transports: [
fileTransport,
consoleTransport,
]
});
export default winston.loggers.get('Logger');
Use
import Log from "./Base/Log";
Log.info('Initialized.');