From 212a85012c4684eee673d3b6c1f3209263f02d7e Mon Sep 17 00:00:00 2001
From: Artem Derevnjuk <artem.derevnjuk@brightsec.com>
Date: Fri, 15 Nov 2024 13:55:48 +0400
Subject: [PATCH] feat(*): write to stderr for errors and warnings (#613)

BREAKING CHANGE: Warning logs are now written to stderr instead of
stdout.

Supersedes: #611
Co-authored-by: Maksadbek <a.maksadbek@gmail.com>
---
 src/Utils/Logger.ts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/Utils/Logger.ts b/src/Utils/Logger.ts
index fdc341ff..1620f075 100644
--- a/src/Utils/Logger.ts
+++ b/src/Utils/Logger.ts
@@ -80,8 +80,18 @@ export class Logger {
   }
 
   private write(message: string, level: LogLevel, ...args: any[]): void {
+    const logMessage = `${this.formatHeader(level)} - ${message}`;
+
+    if (level <= LogLevel.WARN) {
+      // write to stderr for errors and warnings
+      // eslint-disable-next-line no-console
+      console.error(logMessage, ...args);
+
+      return;
+    }
+
     // eslint-disable-next-line no-console
-    console.log(`${this.formatHeader(level)} - ${message}`, ...args);
+    console.log(logMessage, ...args);
   }
 
   private formatHeader(level: LogLevel): string {