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holesail-logger

Simple logger for Node.js with level filtering and prefix support.

Usage

const HolesailLogger = require('holesail-logger')

const log = new HolesailLogger({ prefix: 'MYAPP', level: 1 })

log.info('started %s', 'server')
log.warn('something off')
log.error('boom')

API

const log = new HolesailLogger([options])

Create a new logger.

Options:

  • prefix - string prepended to every log line. default: LOG
  • level - minimum log level. 0 = DEBUG, 1 = INFO, 2 = WARN, 3 = ERROR. default: 1
  • enabled - set to false to silence all output. default: true

log.debug(msg, [...args])

Log at DEBUG level. Only emits if level is 0.

log.info(msg, [...args])

Log at INFO level. Only emits if level is 0 or 1.

log.warn(msg, [...args])

Log at WARN level. Always emits when enabled.

log.error(msg, [...args])

Log at ERROR level. Always emits when enabled.

log.enabled

Set to false to disable all logging at runtime.

License

Apache-2.0