1 files changed, 21 insertions(+), 14 deletions(-)

M log.go

@@ 47,6 47,24 @@ func New(out io.Writer, level Level) *Logger {
 	return &Logger{Logger: log.New(out, "", log.LstdFlags), level: level}
 }
 
+// ParseLevelFromString parses the level from a string and returns it. If it
+// cannot parse a legitimate level from the level string, it will return
+// ErrInvalidLevel.
+func ParseLevelFromString(level string) (Level, error) {
+	switch strings.ToLower(level) {
+	case "error":
+		return Error, nil
+	case "warning":
+		return Warning, nil
+	case "info":
+		return Info, nil
+	case "debug":
+		return Debug, nil
+	default:
+		return Info, fmt.Errorf("%w: %s", ErrInvalidLevel, level)
+	}
+}
+
 // SetLevel sets the logging level of a logger.
 func (l *Logger) SetLevel(level Level) {
 	l.level = level


@@ 56,20 74,9 @@ func (l *Logger) SetLevel(level Level) {
 // level. If it cannot parse a legitimate level from the level string, it will
 // return ErrInvalidLevel.
 func (l *Logger) SetLevelFromString(level string) error {
-	switch strings.ToLower(level) {
-	case "error":
-		l.level = Error
-	case "warning":
-		l.level = Warning
-	case "info":
-		l.level = Info
-	case "debug":
-		l.level = Debug
-	default:
-		return fmt.Errorf("%w: %s", ErrInvalidLevel, level)
-	}
-
-	return nil
+	var err error
+	l.level, err = ParseLevelFromString(level)
+	return err
 }
 
 // Level returns the current logging level of a logger.