fixup! Further pursue of perfection.

logger_singleton.go

@@ -0,0 +1,34 @@
+package traefikoidc
+
+import (
+	"io"
+	"log"
+	"sync"
+)
+
+var (
+	// singletonNoOpLogger is the global instance of the no-op logger
+	singletonNoOpLogger *Logger
+	// noOpLoggerOnce ensures the singleton is created only once
+	noOpLoggerOnce sync.Once
+)
+
+// GetSingletonNoOpLogger returns the singleton no-op logger instance.
+// This reduces memory allocation by reusing the same no-op logger
+// instance across the entire application.
+func GetSingletonNoOpLogger() *Logger {
+	noOpLoggerOnce.Do(func() {
+		singletonNoOpLogger = &Logger{
+			logError: log.New(io.Discard, "", 0),
+			logInfo:  log.New(io.Discard, "", 0),
+			logDebug: log.New(io.Discard, "", 0),
+		}
+	})
+	return singletonNoOpLogger
+}
+
+// ResetSingletonNoOpLogger resets the singleton instance (mainly for testing)
+func ResetSingletonNoOpLogger() {
+	noOpLoggerOnce = sync.Once{}
+	singletonNoOpLogger = nil
+}