DEVELOPMENT ENVIRONMENT

~liljamo/felu

ref: 4992844348f2ecabf096daf60a71f737a928683a felu/internal/log/log.go -rw-r--r-- 1006 bytes
49928443Jonni Liljamo docs: update README.md 23 hours ago
                                                                                
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*
 * Copyright (C) 2024 Jonni Liljamo <jonni@liljamo.com>
 *
 * This file is licensed under AGPL-3.0-or-later, see NOTICE and LICENSE for
 * more information.
 */

// Package log implements logging utilities.
package log

import (
	"log/slog"
	"os"
	"path/filepath"
)

// InitDefaultLogger initializes the default logger.
func InitDefaultLogger(logLevel string) {
	var feluLogLevel = new(slog.LevelVar)
	switch logLevel {
	case "debug":
		feluLogLevel.Set(slog.LevelDebug)
	case "info":
		feluLogLevel.Set(slog.LevelInfo)
	case "warning":
		feluLogLevel.Set(slog.LevelWarn)
	case "error":
		feluLogLevel.Set(slog.LevelError)
	}

	replace := func(groups []string, a slog.Attr) slog.Attr {
		if a.Key == slog.SourceKey {
			source := a.Value.Any().(*slog.Source)
			source.File = filepath.Base(source.File)
		}

		return a
	}

	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
		Level:       feluLogLevel,
		AddSource:   true,
		ReplaceAttr: replace,
	}))

	slog.SetDefault(logger)
}