From 158c9eb59082b3b0d2f28ea7ebf66f2b7715e991 Mon Sep 17 00:00:00 2001
From: Harshit <harshit.singh22082007@gmail.com>
Date: Wed, 19 Nov 2025 13:08:57 +0530
Subject: [PATCH] fix: allow null options in app.render

---
 lib/application.js |  2 ++
 test/app.render.js | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/lib/application.js b/lib/application.js
index cf6d78c741e..2231a0c75f3 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -530,6 +530,8 @@ app.render = function render(name, options, callback) {
   if (typeof options === 'function') {
     done = options;
     opts = {};
+  } else if (options == null) {
+    opts = {};
   }
 
   // merge options
diff --git a/test/app.render.js b/test/app.render.js
index ca15e761d35..bd65ce1035b 100644
--- a/test/app.render.js
+++ b/test/app.render.js
@@ -331,6 +331,24 @@ describe('app', function(){
       })
     })
 
+    it('should accept null or undefined options', function (done) {
+      var app = createApp()
+
+      app.set('views', path.join(__dirname, 'fixtures'))
+      app.locals.user = { name: 'tobi' }
+
+      app.render('user.tmpl', null, function (err, str) {
+        if (err) return done(err);
+        assert.strictEqual(str, '<p>tobi</p>')
+
+        app.render('user.tmpl', undefined, function (err2, str2) {
+          if (err2) return done(err2);
+          assert.strictEqual(str2, '<p>tobi</p>')
+          done()
+        })
+      })
+    })
+
     describe('caching', function(){
       it('should cache with cache option', function(done){
         var app = express();