fix : fix logfile directory error

Author: J-Hoplin

src/logger.module.ts

@@ -1,7 +1,7 @@
-import { DynamicModule, Module } from "@nestjs/common";
-import { Logger } from "./logger.service";
-import { log } from "console";
-import { loggerForRootParam } from "./types";
+import { DynamicModule, Module } from '@nestjs/common';
+import { Logger } from './logger.service';
+import { log } from 'console';
+import { loggerForRootParam } from './types';
 
 @Module({})
 export class LoggerModule {

src/logger.service.ts

@@ -44,7 +44,8 @@ export class Logger extends ConsoleLogger implements Logs {
     const { applicationName, levelNTimestamp } = config;
     let saveAsFileOption: boolean;
     let logfileDirectory: string;
-    if ('saveAsFile' in config) {
+    // Check if 'saveAsFile' in option and it's true
+    if ('saveAsFile' in config && config.saveAsFile) {
       saveAsFileOption = config.saveAsFile;
       logfileDirectory = config.logfileDirectory;
 

src/types.ts

@@ -10,18 +10,18 @@ export interface Logs {
 }
 export type LogLevels = keyof Logs;
 
-export type LoggerConfig = {
+export interface LoggerConfig {
   applicationName: string;
-  logfileDirectory: string;
-  saveAsFile: boolean;
   levelNTimestamp?: ConsoleLoggerOptions;
-};
+}
+export interface LoggerConfigSave extends LoggerConfig {
+  saveAsFile: boolean;
+  logfileDirectory: string;
+}
 
 export type LoggerReturn = {
   message: string;
   saveAsFile: boolean;
 };
 
-export type loggerForRootParam =
-  | LoggerConfig
-  | Omit<LoggerConfig, 'saveAsFile' | 'logfileDirectory'>;
+export type loggerForRootParam = LoggerConfig | LoggerConfigSave;