Support for a custom URL resolver

Author: pascalbaljet

src/Response.php

@@ -36,17 +36,26 @@ class Response implements Responsable
 
     protected $cacheFor = [];
 
+    protected ?Closure $urlResolver = null;
+
     /**
      * @param  array|Arrayable  $props
      */
-    public function __construct(string $component, array $props, string $rootView = 'app', string $version = '', bool $encryptHistory = false)
-    {
+    public function __construct(
+        string $component,
+        array $props,
+        string $rootView = 'app',
+        string $version = '',
+        bool $encryptHistory = false,
+        ?Closure $urlResolver = null
+    ) {
         $this->component = $component;
         $this->props = $props instanceof Arrayable ? $props->toArray() : $props;
         $this->rootView = $rootView;
         $this->version = $version;
         $this->clearHistory = session()->pull('inertia.clear_history', false);
         $this->encryptHistory = $encryptHistory;
+        $this->urlResolver = $urlResolver;
     }
 
     /**
@@ -365,6 +374,10 @@ public function isPartial(Request $request): bool
      */
     protected function getUrl(Request $request): string
     {
+        if ($this->urlResolver) {
+            return App::call($this->urlResolver, ['request' => $request]);
+        }
+
         $url = Str::start(Str::after($request->fullUrl(), $request->getSchemeAndHttpHost()), '/');
 
         $rawUri = Str::before($request->getRequestUri(), '?');

src/ResponseFactory.php

@@ -31,6 +31,9 @@ class ResponseFactory
 
     protected $encryptHistory;
 
+    /** @var Closure|null */
+    protected $urlResolver;
+
     /***
      * @param string $name The name of the root view
      * @return void
@@ -93,6 +96,11 @@ public function getVersion(): string
         return (string) $version;
     }
 
+    public function resolveUrlUsing(?Closure $urlResolver): void
+    {
+        $this->urlResolver = $urlResolver;
+    }
+
     public function clearHistory(): void
     {
         session(['inertia.clear_history' => true]);
@@ -163,6 +171,7 @@ public function render(string $component, $props = []): Response
             $this->rootView,
             $this->getVersion(),
             $this->encryptHistory ?? config('inertia.history.encrypt', false),
+            $this->urlResolver,
         );
     }
 

tests/ResponseFactoryTest.php

@@ -127,6 +127,30 @@ public function test_the_version_can_be_a_closure(): void
         $response->assertJson(['component' => 'User/Edit']);
     }
 
+    public function test_the_url_can_be_resolved_with_a_custom_resolver()
+    {
+        Route::middleware([StartSession::class, ExampleMiddleware::class])->get('/', function () {
+            Inertia::resolveUrlUsing(function ($request, ResponseFactory $otherDependency) {
+                $this->assertInstanceOf(HttpRequest::class, $request);
+                $this->assertInstanceOf(ResponseFactory::class, $otherDependency);
+
+                return '/my-custom-url';
+            });
+
+            return Inertia::render('User/Edit');
+        });
+
+        $response = $this->withoutExceptionHandling()->get('/', [
+            'X-Inertia' => 'true',
+        ]);
+
+        $response->assertSuccessful();
+        $response->assertJson([
+            'component' => 'User/Edit',
+            'url' => '/my-custom-url',
+        ]);
+    }
+
     public function test_shared_data_can_be_shared_from_anywhere(): void
     {
         Route::middleware([StartSession::class, ExampleMiddleware::class])->get('/', function () {