log

Package log implements multilevel logging.

Feature

• Custom prefix
• Multiple levels
• Highlight color
• File line
• Call stack

Level

• All
• Trace
• Debug
• Info
• Notice
• Warn
• Error
• Panic
• Fatal
• Off

Get started

Install

go get github.com/hslam/log

Import

import "github.com/hslam/log"

Usage

Example

package main

import (
	"github.com/hslam/log"
)

func main() {
	logger := log.New()
	logger.SetPrefix("LogPrefix")
	logger.SetLevel(log.AllLevel)
	logger.SetHighlight(true)
	logger.SetLine(true)

	logger.Assertf(1 == 1, "%d %s %t", 1024, "HelloWorld", true)

	logger.Allf("%d %s %t", 1024, "HelloWorld", true)
	logger.Tracef("%d %s %t", 1024, "HelloWorld", true)
	logger.Debugf("%d %s %t", 1024, "HelloWorld", true)
	logger.Infof("%d %s %t", 1024, "HelloWorld", true)
	logger.Noticef("%d %s %t", 1024, "HelloWorld", true)
	logger.Warnf("%d %s %t", 1024, "HelloWorld", true)
	logger.Errorf("%d %s %t", 1024, "HelloWorld", true)
	defer func() {
		recover()
		logger.Fatalf("%d %s %t", 1024, "HelloWorld", true)
	}()
	logger.Panicf("%d %s %t", 1024, "HelloWorld", true)
}

Output

[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [ALL] [main.go:16] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [TRACE] [main.go:17] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [DEBUG] [main.go:18] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [INFO] [main.go:19] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [NOTICE] [main.go:20] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [WARN] [main.go:21] ["1024 HelloWorld true"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [ERROR] [main.go:22] ["1024 HelloWorld true"] [stack="main.main\n\t/Users/huangmeng/go/src/github.com/hslam/tmp/log/main.go:22\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [PANIC] [main.go:27] ["1024 HelloWorld true"] [stack="main.main\n\t/Users/huangmeng/go/src/github.com/hslam/tmp/log/main.go:27\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250"]
[LogPrefix] [2023/05/13 18:21:51.183 +08:00] [FATAL] [main.go:25] ["1024 HelloWorld true"] [stack="main.main.func1\n\t/Users/huangmeng/go/src/github.com/hslam/tmp/log/main.go:25\nruntime.gopanic\n\t/usr/local/go/src/runtime/panic.go:884\nmain.main\n\t/Users/huangmeng/go/src/github.com/hslam/tmp/log/main.go:27\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250"]

Highlight

License

This package is licensed under a MIT license (Copyright (c) 2019 Meng Huang)

Author

log was written by Meng Huang.