From 493e64e6dbe0c362a51415486806ae8483cd653e Mon Sep 17 00:00:00 2001
From: Danny Avila <danny@librechat.ai>
Date: Tue, 12 Nov 2024 21:53:56 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=AA=9A=20refactor:=20Optimize=20`CONSOLE?=
 =?UTF-8?q?=5FJSON`=20Debug=20Logs=20with=20Truncation=20(#4709)?=
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---
 api/config/parsers.js | 21 +++++++++++++++++++++
 api/config/winston.js |  6 +++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/api/config/parsers.js b/api/config/parsers.js
index 9de54c2ae9..7cedd014cb 100644
--- a/api/config/parsers.js
+++ b/api/config/parsers.js
@@ -186,8 +186,29 @@ const debugTraverse = winston.format.printf(({ level, message, timestamp, ...met
   }
 });
 
+const jsonTruncateFormat = winston.format((info) => {
+  const truncateObject = (obj) => {
+    const newObj = {};
+    Object.entries(obj).forEach(([key, value]) => {
+      if (typeof value === 'string') {
+        newObj[key] = truncateLongStrings(value, 255);
+      } else if (Array.isArray(value)) {
+        newObj[key] = value.map(condenseArray);
+      } else if (typeof value === 'object' && value !== null) {
+        newObj[key] = truncateObject(value);
+      } else {
+        newObj[key] = value;
+      }
+    });
+    return newObj;
+  };
+
+  return truncateObject(info);
+});
+
 module.exports = {
   redactFormat,
   redactMessage,
   debugTraverse,
+  jsonTruncateFormat,
 };
diff --git a/api/config/winston.js b/api/config/winston.js
index 81e972fbbc..8f51b9963c 100644
--- a/api/config/winston.js
+++ b/api/config/winston.js
@@ -1,7 +1,7 @@
 const path = require('path');
 const winston = require('winston');
 require('winston-daily-rotate-file');
-const { redactFormat, redactMessage, debugTraverse } = require('./parsers');
+const { redactFormat, redactMessage, debugTraverse, jsonTruncateFormat } = require('./parsers');
 
 const logDir = path.join(__dirname, '..', 'logs');
 
@@ -112,7 +112,7 @@ if (useDebugConsole) {
     new winston.transports.Console({
       level: 'debug',
       format: useConsoleJson
-        ? winston.format.combine(fileFormat, debugTraverse, winston.format.json())
+        ? winston.format.combine(fileFormat, jsonTruncateFormat(), winston.format.json())
         : winston.format.combine(fileFormat, debugTraverse),
     }),
   );
@@ -120,7 +120,7 @@ if (useDebugConsole) {
   transports.push(
     new winston.transports.Console({
       level: 'info',
-      format: winston.format.combine(fileFormat, winston.format.json()),
+      format: winston.format.combine(fileFormat, jsonTruncateFormat(), winston.format.json()),
     }),
   );
 } else {