@midwayjs/logger

@midwayjs/logger is a log module extended based on winston, which is suitable for log output under a single process, and supports multiple formats and customizations.

Install

$ npm install @midwayjs/logger --save

Create Logger

import { loggers } from '@midwayjs/logger';

const logger = loggers.createLogger('logger', {
  // some logger options
})

Create console, file and error Logger.(default logger, include console, file and error 3 transports)

const logger = loggers.createLogger('logger', {
  dir: '...',
  fileLogName: 'app.log',
  errorLogName: 'error.log',
})

Create console logger(just disable file and error transports)

const logger = loggers.createLogger('consoleLogger', {
  enableFile: false,
  enableError: false,
})

Logger Output Method

logger.debug('debug info');
logger.info('启动耗时 %d ms', Date.now() - start);
logger.warn('warning!');
logger.error(new Error('my error'));

Logger Level

log level is divided into the following categories, and the log level decreases sequentially (the larger the number, the lower the level):

const levels = {
  none: 0,
  error: 1,
  trace: 2,
  warn: 3,
  info: 4,
  verbose: 5,
  debug: 6,
  silly: 7,
  all: 8,
}

Set level for all transports

const logger = loggers.createLogger('logger', {
  dir: '...',
  level: 'warn',
  fileLogName: 'app.log',
  errorLogName: 'error.log',
});

// not output
logger.debug('debug info');

// not output
logger.info('debug info');

Format

Change file and error logger format.

const logger = loggers.createLogger('logger', {
  dir: '...',
  level: 'warn',
  fileLogName: 'app.log',
  errorLogName: 'error.log',
  format: info => {
    return `${info.timestamp} ${info.message}`;
  }
});

info is a winston metadata we called 'MidwayTransformableInfo' and include some default value;

Logger Options

find more options in interface.

License

MIT

Current Tags

3.0.0-alpha.42 ... alinode-stable (5 years ago)
3.0.0-alpha.43 ... alpha (5 years ago)
3.0.0-beta.13 ... beta (4 years ago)
2.17.0 ... latest (4 years ago)

67 Versions

2.17.0 ... 4 years ago
2.16.3 ... 4 years ago
2.16.2 ... 4 years ago
2.16.1 ... 4 years ago
2.16.0 ... 4 years ago
2.15.0 ... 4 years ago
2.14.2 ... 4 years ago
2.14.1 ... 4 years ago
2.14.0 ... 4 years ago
3.0.0-beta.13 ... 4 years ago
3.0.0-beta.12 ... 4 years ago
3.0.0-beta.11 ... 4 years ago
3.0.0-beta.10 ... 4 years ago
3.0.0-beta.9 ... 4 years ago
3.0.0-beta.8 ... 4 years ago
3.0.0-beta.7 ... 4 years ago
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3.0.0-beta.1 ... 4 years ago
3.0.0-alpha.43 ... 5 years ago
3.0.0-alpha.42 ... 5 years ago
3.0.0-alpha.41 ... 5 years ago
3.0.0-alpha.28 ... 5 years ago
2.13.0 ... 5 years ago
2.11.4-beta.1 ... 5 years ago
2.11.4-beta.q ... 5 years ago
3.0.0-alpha.6 ... 5 years ago
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2.11.0 ... 5 years ago
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2.10.15-beta.1 ... 5 years ago
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2.6.0 ... 5 years ago
2.5.0 ... 5 years ago