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FurqanSoftware/pog

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Pog

Go Reference CI

Pog is a simple logger for Go with a status indicator.

We use Pog in Toph Printd.

Usage

import (
	"github.com/FurqanSoftware/pog"
	"github.com/fatih/color"
)
type pogStatus struct {
	icon byte
	text string
	color *color.Color
	throb bool
}
func (s pogStatus) Icon() byte { return s.icon }
func (s pogStatus) Text() string { return s.text }
func (s pogStatus) Color() *color.Color { return s.color }
func (s pogStatus) Throb() bool { return s.throb }
var (
	statusReady = pogStatus{'~', "Ready", color.New(color.FgGreen), true}
	statusPrinting = pogStatus{'~', "Printing", color.New(color.FgBlue), false}
	statusOffline = pogStatus{'!', "Offline", color.New(color.FgRed), false}
)
log.SetPrefix("033円[2K\r")
log.SetFlags(log.Ldate | log.Ltime)
pog.InitDefault()
pog.Info("I am ready.")
pog.SetStatus(statusReady)
2023年10月18日 11:59:11 [i] I am ready.
 [~] Ready
pog.Info("Got a print.")
pog.SetStatus(statusPrinting)
pog.Warn("That's a lot of words.")
2023年10月18日 11:59:11 [i] I am ready.
2023年10月18日 11:59:19 [i] Got a print.
2023年10月18日 11:59:19 [w] That's a lot of words.
 [~] Printing
pog.Error("Lost connection.")
pog.SetStatus(statusOffline)
2023年10月18日 11:59:11 [i] I am ready.
2023年10月18日 11:59:19 [i] Got a print.
2023年10月18日 11:59:19 [w] That's a lot of words.
2023年10月18日 11:59:57 [E] Lost connection.
 [!] Offline

Log Levels

Level Indicator Variants
Debug [d] Debug, Debugln, Debugf
Info [i] Info, Infoln, Infof
Warn [w] Warn, Warnln, Warnf
Error [E] Error, Errorln, Errorf
Fatal [E] Fatal, Fatalln, Fatalf

Fatal functions log at the Error level and then exit, running any registered exit hooks.

Exit Hooks

Register functions to run before a Fatal exit:

pog.AddExitHook(func() {
	// Clean up resources.
})

About

A simple logger for Go with a status indicator

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