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levenlabs-log

v0.2.0

Published

Leven Labs Logging

Downloads

10

Readme

levenlabs-log

A library for logging that follows the Leven Labs Logging Spec. Based on go-llog.

Usage

var log = require('levenlabs-log');

Can also be used in a browser environment to log messages to the console.

Levels

  • 0 = Debug
  • 1 = Info
  • 2 = Warn
  • 3 = Error
  • 4 = Fatal

Methods

log.setLevel(level)

Set the global minimum logging level. level can be a string or number.

log.log(level, message, keyVals)

Log message if the current level is less or equal to level. level can be a string or number. If keyVals is sent, the values keys and values will be logged as well.

For convenience, if keyVals is an instance of Error it will be automatically expanded to {error: keyVals}.

log.debug(message, keyVals)

Helper method for calling log.log('debug', message, keyVals).

log.info(message, keyVals)

Helper method for calling log.log('info', message, keyVals).

log.warn(message, keyVals)

Helper method for calling log.log('warn', message, keyVals).

log.error(message, keyVals)

Helper method for calling log.log('error', message, keyVals).

log.fatal(message, keyVals)

Helper method for calling log.log('fatal', message, keyVals). Except that after it logs, it calls process.exit(1), if being called in a Node.js environment.

log.displayTimestamp

Defaults to false. Set to true to enable putting the timestamp in each log.