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LICENSE | 3 달 전 | |
README.md | 3 달 전 | |
daily-rotate-file.js | 3 달 전 | |
index.d.ts | 3 달 전 | |
index.js | 3 달 전 | |
package.json | 3 달 전 |
A transport for winston which logs to a rotating file. Logs can be rotated based on a date, size limit, and old logs can be removed based on count or elapsed days.
Starting with version 2.0.0, the transport has been refactored to leverage the file-stream-rotator module. Some of the options in the 1.x versions of the transport have changed. Please review the options below to identify any changes needed.
Please note that if you are using winston@2
, you will need to use winston-daily-rotate-file@3
. winston-daily-rotate-file@4
removed support for winston@2
.
Starting with version 5.0.0 this module also emits an "error" event for all low level filesystem error cases. Make sure to listen for this event to prevent crashes in your application.
This library should work starting with Node.js 8.x, but tests are only executed for Node.js 14+. Use on your own risk in lower Node.js versions.
npm install winston-daily-rotate-file
The DailyRotateFile transport can rotate files by minute, hour, day, month, year or weekday. In addition to the options accepted by the logger, winston-daily-rotate-file
also accepts the following options:
datePattern
for the rotation times. (default: null)%DATE%
placeholder which will include the formatted datePattern at that point in the filename. (default: 'winston.log.%DATE%'){ flags: 'a' }
)audit_file
. If not specified, a file name is generated that includes a hash computed from the options object, and uses the dirname
option value as the directory. (default: <dirname>/.<optionsHash>-audit.json
)createLogger
method will be used var winston = require('winston');
require('winston-daily-rotate-file');
var transport = new winston.transports.DailyRotateFile({
level: 'info',
filename: 'application-%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
zippedArchive: true,
maxSize: '20m',
maxFiles: '14d'
});
transport.on('error', error => {
// log or handle errors here
});
transport.on('rotate', (oldFilename, newFilename) => {
// do something fun
});
var logger = winston.createLogger({
transports: [
transport
]
});
logger.info('Hello World!');
using multiple transports
var winston = require('winston');
require('winston-daily-rotate-file');
var transport1 = new winston.transports.DailyRotateFile({
filename: 'application-%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
zippedArchive: true,
maxSize: '20m',
maxFiles: '14d'
});
var transport2 = new winston.transports.DailyRotateFile({
level: 'error',
filename: 'application-error-%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
zippedArchive: true,
maxSize: '20m',
maxFiles: '14d'
});
transport1.on('error', error => {
// log or handle errors here
});
transport2.on('error', error => {
// log or handle errors here
});
transport1.on('rotate', function(oldFilename, newFilename) {
// do something fun
});
transport2.on('rotate', function(oldFilename, newFilename) {
// do something fun
});
var logger = winston.createLogger({
level: 'info'
transports: [
transport1, // will be used on info level
transport2 // will be used on error level
]
});
logger.info('Hello World!');
logger.error('Hello Error!');
import * as winston from 'winston';
import 'winston-daily-rotate-file';
const transport = new winston.transports.DailyRotateFile({
filename: 'application-%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
zippedArchive: true,
maxSize: '20m',
maxFiles: '14d'
});
transport.on('error', error => {
// log or handle errors here
});
transport.on('rotate', (oldFilename, newFilename) => {
// do something fun
});
const logger = winston.createLogger({
transports: [
transport
]
});
logger.info('Hello World!');
import * as winston from 'winston';
import DailyRotateFile from 'winston-daily-rotate-file';
const transport: DailyRotateFile = new DailyRotateFile({
filename: 'application-%DATE%.log',
datePattern: 'YYYY-MM-DD-HH',
zippedArchive: true,
maxSize: '20m',
maxFiles: '14d'
});
transport.on('error', error => {
// log or handle errors here
});
transport.on('rotate', (oldFilename, newFilename) => {
// do something fun
});
const logger = winston.createLogger({
transports: [
transport
]
});
logger.info('Hello World!');
This transport emits the following custom events:
MIT