From d83c446172e8a6404e3429e4b5f21f8b94f6073a Mon Sep 17 00:00:00 2001
From: Shubham Kumar <sarrafshubham40@gmail.com>
Date: Sun, 29 Sep 2024 17:51:13 +0530
Subject: [PATCH] Refactor: use slice() instead of deprecated substr() to avoid
 future issues

---
 index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index dd6d479..4e175bd 100644
--- a/index.js
+++ b/index.js
@@ -81,7 +81,7 @@ function cookieParser (secret, options) {
  */
 
 function JSONCookie (str) {
-  if (typeof str !== 'string' || str.substr(0, 2) !== 'j:') {
+  if (typeof str !== 'string' || str.slice(0, 2) !== 'j:') {
     return undefined
   }
 
@@ -131,7 +131,7 @@ function signedCookie (str, secret) {
     return undefined
   }
 
-  if (str.substr(0, 2) !== 's:') {
+  if (str.slice(0, 2) !== 's:') {
     return str
   }