From c5b8d55a6a941fb5f8c783f7734a32f40142c4d9 Mon Sep 17 00:00:00 2001
From: Sebastian Beltran <bjohansebas@gmail.com>
Date: Mon, 14 Jul 2025 22:18:10 -0500
Subject: [PATCH] feat: add deprecation warnings for redirect arguments
 undefined (#6405)

---
 lib/response.js | 13 +++++++++++++
 package.json    |  1 +
 2 files changed, 14 insertions(+)

diff --git a/lib/response.js b/lib/response.js
index 09fa0611..7a2f0ecc 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -14,6 +14,7 @@
 
 var contentDisposition = require('content-disposition');
 var createError = require('http-errors')
+var deprecate = require('depd')('express');
 var encodeUrl = require('encodeurl');
 var escapeHtml = require('escape-html');
 var http = require('node:http');
@@ -826,6 +827,18 @@ res.redirect = function redirect(url) {
     address = arguments[1]
   }
 
+  if (!address) {
+    deprecate('Provide a url argument');
+  }
+
+  if (typeof address !== 'string') {
+    deprecate('Url must be a string');
+  }
+
+  if (typeof status !== 'number') {
+    deprecate('Status must be a number');
+  }
+
   // Set location header
   address = this.location(address).get('Location');
 
diff --git a/package.json b/package.json
index bdcd25e6..104528ab 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "cookie": "^0.7.1",
     "cookie-signature": "^1.2.1",
     "debug": "^4.4.0",
+    "depd": "^2.0.0",
     "encodeurl": "^2.0.0",
     "escape-html": "^1.0.3",
     "etag": "^1.8.1",