fix nil pointer error

format.go

@@ -10,11 +10,14 @@ import (
 
 // LogFormatter is a function type that formats a LogEvent into a string.
 // Example:
-//  formatter := func(event LogEvent) string {
+//
-//    return fmt.Sprintf("[%s] %s: %v", event.Ts.Format("2006-01-02"), event.Level, event.Data)
+//	formatter := func(event LogEvent) string {
-//  }
+//	  return fmt.Sprintf("[%s] %s: %v", event.Ts.Format("2006-01-02"), event.Level, event.Data)
+//	}
 type LogFormatter = func(LogEvent) string
 
+const logTemplate = "[%s] %s : %s - %s\n"
+
 // format is the default formatter that converts a LogEvent to a string using the default template.
 // It handles both simple values and formatted strings.
 // Template: "[timestamp] level : category - data"

main.go

@@ -57,12 +57,14 @@ type LoggersConfig struct {
 	Appenders  map[string]LogAppenderConfig `json:"appenders"`
 	Categories map[string]LogConfig         `json:"categories"`
 }
+
 // Logger represents a logger instance for a specific category.
 // It maintains the log level and appenders for that category.
 // Example:
-//  logger := GetLogger("mycategory")
+//
-//  logger.Info("This is an info message")
+//	logger := GetLogger("mycategory")
-//  logger.Error("This is an error message")
+//	logger.Info("This is an info message")
+//	logger.Error("This is an error message")
 type Logger struct {
 	category  string
 	level     int
@@ -203,4 +205,5 @@ func RegistAppender(typeName string, appenderCreatCb func(LogAppenderConfig) *Lo
 
 func init() {
 	loggerMap["default"] = defaultLogger
+	appenders["console"] = &consoleAppender
 }