1.0.1 • Published 9 years ago

yalla v1.0.1

Weekly downloads
4
License
MIT
Repository
github
Last release
9 years ago

Yet Another Logging Library (A) Build Status stable

A minimalistic logging lib

(For the similarly named but completely unrelated .NET library please see YALLA.NET)

simple usage

	var yalla = require('yalla')

	var log = new yalla.Logger(yalla.LogLevel.SILLY))
	//or
	//var log = new yalla.Logger('silly'))

	if (log.isSilly())
		log.silly('silly %s', util.inspect(something))

	log.debug('debug')
	log.info('info')
	log.warn('warning')
	log.error(new Error())

	// change to warn
	log.setLevel(yalla.LogLevel.WARN)

custom output

	var yalla = require('yalla')
	var util = require('util')

	var log = new yalla.Logger()

	// clear all other outputs (including defaults)
	log.clearOutputs()

	var stream = fs.createWriteStream('my.log')

	log.addOutput(function(args) {
		stream.write(util.format.apply(util, args))
		stream.write('\n')
	})

fancy custom output

example for coloring for chrome console

var yalla = require('yalla')
var LogLevel = yalla.LogLevel

var log = new Logger(LogLevel.DEBUG)
log.clearOutputs()

var consoleLogColoredOutput = {
	write: function(args) {
		console.log.apply(console, args)
	},
	prepare: function(level, label, args) {
		label = '%c ' + label

		var style = 'color: black'

		if (level === LogLevel.DEBUG) {
			style = 'color: green'
		}

		if (level === LogLevel.INFO) {
			style = 'color: blue'
		}

		if (level === LogLevel.WARN) {
			style = 'color: orange'
		}

		if (level === LogLevel.ERROR) {
			style = 'color: red'
		}

		args.splice(1, 0, style)

		return Logger.addLogLevelLabel(level, label, args)
	}
}

log.addOutput(consoleLogColoredOutput)

named logs

	var yalla = require('yalla')

	var log = new yalla.Logger({
		addTimestamp: false, // optional
		level: 'silly', // optional
		name: 'foo'
	}))

	log.debug('debug') // prints [foo] debug

LogLevels

SILLY, DEBUG, INFO, WARN, ERROR, SILENT

In all places level constants are interchangable with their lower case string representation

1.0.1

9 years ago

1.0.0

9 years ago

0.2.2

10 years ago

0.2.1

10 years ago

0.2.0

10 years ago

0.1.4

11 years ago

0.1.1

11 years ago

0.1.0

11 years ago

0.0.3

11 years ago

0.0.2

11 years ago