Initial commit

core/logs.go

@@ -0,0 +1,44 @@
+package core
+
+import (
+	"os"
+	"strings"
+	"time"
+
+	"log/slog"
+
+	"github.com/lmittmann/tint"
+	"github.com/mattn/go-colorable"
+)
+
+func parseLevel(s string) slog.Level {
+	switch strings.ToLower(s) {
+	case "debug":
+		return slog.LevelDebug
+	case "warn", "warning":
+		return slog.LevelWarn
+	case "error":
+		return slog.LevelError
+	default:
+		return slog.LevelInfo
+	}
+}
+
+func NewLogger(level string, useJsonFormat bool) *slog.Logger {
+	w := os.Stdout
+	var logger *slog.Logger
+	if !useJsonFormat {
+		logger = slog.New(tint.NewHandler(colorable.NewColorable(w), &tint.Options{
+			Level:      parseLevel(level),
+			TimeFormat: time.DateTime,
+			//NoColor:    !isatty.IsTerminal(w.Fd()),
+		}))
+	} else {
+		logger = slog.New(slog.NewJSONHandler(w, &slog.HandlerOptions{
+			Level: parseLevel(level),
+		}))
+	}
+
+	slog.SetDefault(logger)
+	return logger
+}