levenlabs-log
v0.2.0
Published
Leven Labs Logging
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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.