feat(calleroffset): added option to config custom caller offset

logger.go

@@ -276,6 +276,13 @@ func (l *Logger) SetCallerFormatter(f CallerFormatter) {
 	l.callerFormatter = f
 }
 
+// SetCallerOffset sets the caller offset.
+func (l *Logger) SetCallerOffset(offset int) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.callerOffset = offset
+}
+
 // With returns a new logger with the given keyvals added.
 func (l *Logger) With(keyvals ...interface{}) *Logger {
 	sl := *l

options.go

@@ -52,8 +52,11 @@ type Options struct {
 	ReportCaller bool
 	// CallerFormatter is the caller format for the logger. The default is CallerShort.
 	CallerFormatter CallerFormatter
+	// CallerOffset is the caller format for the logger. The default is 0.
+	CallerOffset int
 	// Fields is the fields for the logger. The default is no fields.
 	Fields []interface{}
 	// Formatter is the formatter for the logger. The default is TextFormatter.
 	Formatter Formatter
+
 }

pkg.go

@@ -48,6 +48,7 @@ func NewWithOptions(w io.Writer, o Options) *Logger {
 		formatter:       o.Formatter,
 		fields:          o.Fields,
 		callerFormatter: o.CallerFormatter,
+		callerOffset:    o.CallerOffset,
 	}
 
 	l.SetOutput(w)
@@ -113,6 +114,11 @@ func SetCallerFormatter(f CallerFormatter) {
 	defaultLogger.SetCallerFormatter(f)
 }
 
+// SetCallerOffset sets the caller offset for the default logger.
+func SetCallerOffset(offset int) {
+	defaultLogger.SetCallerOffset(offset)
+}
+
 // SetPrefix sets the prefix for the default logger.
 func SetPrefix(prefix string) {
 	defaultLogger.SetPrefix(prefix)