From aa7a4241f81fcd09a5927008ba351efec0a33134 Mon Sep 17 00:00:00 2001
From: yonas <yonasgebeyaw1990@gmail.com>
Date: Fri, 19 Mar 2021 10:19:22 +0300
Subject: [PATCH] typed level type

---
 index.d.ts | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 027379c39..1a967cf5e 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -50,20 +50,23 @@ declare namespace winston {
     done(info?: any): boolean;
   }
 
-  type LogCallback = (error?: any, level?: string, message?: string, meta?: any) => void;
+  type level = "error" | "warn" | "info" | "http" | "verbose" | "debug" | "silly";
+
+  type LogCallback = (error?: any, level?: level, message?: string, meta?: any) => void;
+
 
   interface LogEntry {
-    level: string;
+    level: level;
     message: string;
     [optionName: string]: any;
   }
 
    interface LogMethod {
-    (level: string, message: string, callback: LogCallback): Logger;
-    (level: string, message: string, meta: any, callback: LogCallback): Logger;
-    (level: string, message: string, ...meta: any[]): Logger;
+    (level: level, message: string, callback: LogCallback): Logger;
+    (level: level, message: string, meta: any, callback: LogCallback): Logger;
+    (level: level, message: string, ...meta: any[]): Logger;
     (entry: LogEntry): Logger;
-    (level: string, message: any): Logger;
+    (level: level, message: any): Logger;
   }
 
   interface LeveledLogMethod {
@@ -78,7 +81,7 @@ declare namespace winston {
     levels?: Config.AbstractConfigSetLevels;
     silent?: boolean;
     format?: logform.Format;
-    level?: string;
+    level?: level;
     exitOnError?: Function | boolean;
     defaultMeta?: any;
     transports?: Transport[] | Transport;
@@ -90,7 +93,7 @@ declare namespace winston {
     silent: boolean;
     format: logform.Format;
     levels: Config.AbstractConfigSetLevels;
-    level: string;
+    level: level;
     transports: Transport[];
     exceptions: ExceptionHandler;
     profilers: object;
@@ -133,7 +136,7 @@ declare namespace winston {
 
     child(options: Object): Logger;
 
-    isLevelEnabled(level: string): boolean;
+    isLevelEnabled(level: level): boolean;
     isErrorEnabled(): boolean;
     isWarnEnabled(): boolean;
     isInfoEnabled(): boolean;
@@ -184,7 +187,7 @@ declare namespace winston {
   let profile: (id: string | number) => Logger;
   let configure: (options: LoggerOptions) => void;
   let child: (options: Object) => Logger;
-  let level: string;
+  let level: level;
   let exceptions: ExceptionHandler;
   let exitOnError: Function | boolean;
   // let default: object;