add default slog logger

v2/logging.go

@@ -12,8 +12,12 @@ func getLogger() *slog.Logger {
 	return log
 }
 
-func SetSlogHandler(handler slog.Handler) {
-	if handler != nil {
+// EnableHandler allows to set a custom slog.Handler to be used by the go-shuttle logger.
+// If handler is nil, the default slog logger will be used.
+func EnableHandler(handler slog.Handler) {
+	if handler == nil {
+		log = slog.Default()
+	} else {
 		log = slog.New(handler)
 	}
 }

v2/logging_test.go

@@ -9,10 +9,11 @@ import (
 )
 
 func TestSetSlogHandler(t *testing.T) {
-	buf := &bytes.Buffer{}
-	SetSlogHandler(slog.NewTextHandler(buf, nil))
+	g := NewWithT(t)
+	g.Expect(func() { EnableHandler(nil) }).ToNot(Panic())
 
+	buf := &bytes.Buffer{}
+	EnableHandler(slog.NewTextHandler(buf, nil))
 	getLogger().Info("testInfo")
-	g := NewWithT(t)
 	g.Expect(buf.String()).To(ContainSubstring("testInfo"))
 }