tauqeernasir / gcl

A dead-simple go colorful logging library

Go colorful logging

A dead simple go logging utility with or without colors.

Usage

package main

import (
	"os"

	"github.com/tauqeernasir/gcl/gcl"
)

var Logger *gcl.Logger

func init() {
	Logger = gcl.NewLogger(os.Stdout)
}

func main() {
	Logger.Info("I am an information message.")
	Logger.Error("I am an error message.")
	Logger.Success("I am a success message.")
	Logger.Warn("I am a warning message.")
	Logger.Fatal("I am a fatal message.")
}

Above code will generate the following output

Every method supports formatted versions as well, such as Logger.Infof(format string, args ...interface{}) and Logger.Errorf(format string, args ...interface{}).

Configurations

You can turn on/off some features of the logger by calling following methods on Logger

• WithColor() or WithoutColor()
• WithTimestamp() or WithoutTimestamp
• WithFileInfo() or WithoutFileInfo()

All methods return reference to the Logger, so they can easily be chained. Like Logger.WithColor().WithoutTimestamp().WithoutFileInfo()

Logging to file

package main

import (
	"os"

	"github.com/tauqeernasir/gcl/gcl"
)

var Logger *gcl.Logger

func init() {
	// create a file
	f, err := os.Create("log.txt")
	if err != nil {
		panic("couldn't create log.txt file")
	}
	
	// provide file to logger
	Logger = gcl.NewLogger(f).WithoutColor()
}

func main() {
	Logger.Info("I am an information message.")
	Logger.Error("I am an error message.")
	Logger.Success("I am a success message.")
	Logger.Warn("I am a warning message.")
	Logger.Fatal("I am a fatal message.")
}