add format string

internal/modules/formatter/interface.go

@@ -2,4 +2,5 @@ package formatter
 
 type IFormatter interface {
 	FormatText(text string) string
+	FormatString(text string) string
 }

internal/modules/formatter/service.go

@@ -40,3 +40,11 @@ func (s *service) FormatText(text string) string {
 	}
 	return res.String()
 }
+
+func (s *service) FormatString(text string) string {
+	l := strings.TrimSpace(text)
+	if strings.HasPrefix(l, "--") {
+		l = strings.Replace(l, "--", "—", 1)
+	}
+	return l
+}