(Since clog
was taken)
A colorful logging utility for NodeJS programs.
npm i --save golc
It is Production ReadyοΈβ’ as in: I am using it in production
-
6 log levels + disabling
-
customizable color schemes (via
chalk
API) -
optional log badges (with label and kind)
Import it
const Golc = require('golc')
Make it
const L = new Golc('MyLogger')
... Use it!
function doTheJob() {
try {
job()
} catch (e) {
L.error(e)
}
L.info('Job done! π')
}
Make more!
const BLog = new Golc('BeautifulLogger', {...})
const SLog = new Golc('ShyLogger', {...})
By default log levels are set basing on the environment you're running in.
NODE_ENV=production
sets logs to INFO
level, others will have all the logs enabled.
You can suppress logs of a certain level just by setting the level
on your logger.
L.level = L.ERROR // Will only log errors
Possible values are: NONE
, ERROR
, WARN
, INFO
, LOG
, DEBUG
, TRACE
.
They go in order, so if you set L.level = L.LOG
, you will get: ERROR
, WARN
, INFO
and LOG
.
Beware !!!
If you're logging costly operations, wrap your logic in conditions like so:
if (L.level >= L.INFO) {
L.info(costlyOperation())
}
The constructor accepts a label, which will be used to tag your logs, and an options object:
const L = new Golc('Logger', options)
Where possible options are:
{
withLabel: true, // Label of the logger in the badge (It's name)
withKind: false, // Kind of log in the badge (Error, Warn, ...)
withNewline: false, // Put a newline between the badge and the message
styles: {
error: {
badge: ['bgRed', 'bold'], // Badge styles
message: ['red', 'bgYellow'] // Message styles
},
warn: {...},
info: {...},
log: {...},
debug: {...},
trace: {...}
}
}
A style object it's really just an array containing the chalk
options that you want to combine, as strings.
You can check how that works right here! ππ