From a4c71776f4bd908c23ac3fb3227f7f102c56245a Mon Sep 17 00:00:00 2001
From: Marc Beinder <marc.beinder@encoredigitalgroup.com>
Date: Tue, 12 Aug 2025 19:01:37 -0500
Subject: [PATCH 1/2] Add Backed Enum Support to ResponseFactory::render()

---
 src/ResponseFactory.php          | 11 ++++++++++-
 tests/Enums/IntBackedEnum.php    |  8 ++++++++
 tests/Enums/StringBackedEnum.php |  8 ++++++++
 tests/ResponseFactoryTest.php    | 16 ++++++++++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 tests/Enums/IntBackedEnum.php
 create mode 100644 tests/Enums/StringBackedEnum.php

diff --git a/src/ResponseFactory.php b/src/ResponseFactory.php
index d24feac9..695f4210 100644
--- a/src/ResponseFactory.php
+++ b/src/ResponseFactory.php
@@ -2,6 +2,7 @@
 
 namespace Inertia;
 
+use BackedEnum;
 use Closure;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Support\Arr;
@@ -242,8 +243,16 @@ protected function findComponentOrFail(string $component): void
      *
      * @param  array<array-key, mixed>|\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|ProvidesInertiaProperties  $props
      */
-    public function render(string $component, $props = []): Response
+    public function render(BackedEnum|string $component, $props = []): Response
     {
+        if($component instanceof BackedEnum) {
+            $component = $component->value;
+
+            if(!is_string($component)) {
+                throw new InvalidArgumentException('Component argument must be of type string or a string BackedEnum');
+            }
+        }
+
         if (config('inertia.ensure_pages_exist', false)) {
             $this->findComponentOrFail($component);
         }
diff --git a/tests/Enums/IntBackedEnum.php b/tests/Enums/IntBackedEnum.php
new file mode 100644
index 00000000..19c56a86
--- /dev/null
+++ b/tests/Enums/IntBackedEnum.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Inertia\Tests\Enums;
+
+enum IntBackedEnum: int
+{
+    case Zero = 0;
+}
diff --git a/tests/Enums/StringBackedEnum.php b/tests/Enums/StringBackedEnum.php
new file mode 100644
index 00000000..67a05ca9
--- /dev/null
+++ b/tests/Enums/StringBackedEnum.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Inertia\Tests\Enums;
+
+enum StringBackedEnum: string
+{
+    case UsersIndex = "UsersPage/Index";
+}
diff --git a/tests/ResponseFactoryTest.php b/tests/ResponseFactoryTest.php
index 49b08837..76a5576b 100644
--- a/tests/ResponseFactoryTest.php
+++ b/tests/ResponseFactoryTest.php
@@ -19,8 +19,11 @@
 use Inertia\MergeProp;
 use Inertia\OptionalProp;
 use Inertia\ResponseFactory;
+use Inertia\Tests\Enums\IntBackedEnum;
+use Inertia\Tests\Enums\StringBackedEnum;
 use Inertia\Tests\Stubs\ExampleInertiaPropsProvider;
 use Inertia\Tests\Stubs\ExampleMiddleware;
+use InvalidArgumentException;
 
 class ResponseFactoryTest extends TestCase
 {
@@ -489,4 +492,17 @@ public function test_will_not_throw_exception_if_component_does_not_exist_when_e
         $response = (new ResponseFactory)->render('foo');
         $this->assertInstanceOf(\Inertia\Response::class, $response);
     }
+
+    public function test_render_accepts_backed_enum(): void
+    {
+        $response = (new ResponseFactory)->render(StringBackedEnum::UsersIndex);
+        $this->assertInstanceOf(\Inertia\Response::class, $response);
+    }
+
+    public function test_render_throws_for_non_string_backed_enum(): void
+    {
+        $factory = new ResponseFactory;
+        $this->expectException(InvalidArgumentException::class);
+        $factory->render(IntBackedEnum::Zero);
+    }
 }

From 6f5ec57f95ea7d693bd0a0fd73907316720f18a0 Mon Sep 17 00:00:00 2001
From: Marc Beinder <marc.beinder@encoredigitalgroup.com>
Date: Thu, 21 Aug 2025 08:03:04 -0500
Subject: [PATCH 2/2] Remove Type Hint in Favor of DocBlock

---
 src/ResponseFactory.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ResponseFactory.php b/src/ResponseFactory.php
index 695f4210..5f6e2316 100644
--- a/src/ResponseFactory.php
+++ b/src/ResponseFactory.php
@@ -241,9 +241,10 @@ protected function findComponentOrFail(string $component): void
     /**
      * Create an Inertia response.
      *
+     * @param  BackedEnum|string $component
      * @param  array<array-key, mixed>|\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|ProvidesInertiaProperties  $props
      */
-    public function render(BackedEnum|string $component, $props = []): Response
+    public function render($component, $props = []): Response
     {
         if($component instanceof BackedEnum) {
             $component = $component->value;