Use DeferProp

src/Lazy.php

@@ -5,6 +5,7 @@
 use Closure;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Traits\Macroable;
+use Inertia\DeferProp;
 use Spatie\LaravelData\Support\Lazy\ClosureLazy;
 use Spatie\LaravelData\Support\Lazy\ConditionalLazy;
 use Spatie\LaravelData\Support\Lazy\DefaultLazy;
@@ -38,7 +39,7 @@ public static function inertia(Closure $value): InertiaLazy
         return new InertiaLazy($value);
     }
 
-    public static function inertiaDeferred(Closure $value): InertiaDeferred
+    public static function inertiaDeferred(DeferProp $value): InertiaDeferred
     {
         return new InertiaDeferred($value);
     }

src/Support/Lazy/InertiaDeferred.php

@@ -2,15 +2,14 @@
 
 namespace Spatie\LaravelData\Support\Lazy;
 
-use Closure;
 use Inertia\DeferProp;
 
 class InertiaDeferred extends ConditionalLazy
 {
     public function __construct(
-        Closure $value,
+        DeferProp $value,
     ) {
-        parent::__construct(fn () => true, $value);
+        parent::__construct(fn () => true, fn () => $value());
     }
 
     public function resolve(): DeferProp

tests/CreationTest.php

@@ -10,6 +10,8 @@
 use Illuminate\Support\Enumerable;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Validation\ValidationException;
+use Inertia\DeferProp;
+use Inertia\Inertia;
 use Inertia\LazyProp;
 
 use function Pest\Laravel\postJson;
@@ -1461,11 +1463,12 @@ class TestAutoLazyClassAttributeData extends Data
 
         public function __construct()
         {
-            $this->deferred = Lazy::inertiaDeferred(fn () => 'Deferred Value');
         }
     };
 
-    $data = $dataClass::from([]);
+    $data = $dataClass::from([
+        "deferred" => Lazy::inertiaDeferred(Inertia::defer(fn () => 'Deferred Value')),
+    ]);
 
     expect($data->deferred)->toBeInstanceOf(InertiaDeferred::class);
     expect($data->deferred->resolve()())->toBe('Deferred Value');
@@ -1474,24 +1477,24 @@ public function __construct()
 it('can use auto deferred to construct a deferred property', function () {
     $dataClass = new class () extends Data {
         #[AutoInertiaDeferred]
-        public string|InertiaDeferred $string;
+        public InertiaDeferred $string;
     };
 
-    $data = $dataClass::from(['string' => 'Hello World']);
+    $data = $dataClass::from(['string' => Lazy::inertiaDeferred(Inertia::defer(fn () => 'Deferred Value'))]);
 
     expect($data->string)->toBeInstanceOf(InertiaDeferred::class);
-    expect($data->toArray()['string'])->toBeInstanceOf(\Inertia\DeferProp::class);
+    expect($data->toArray()['string'])->toBeInstanceOf(DeferProp::class);
 });
 
 it('can use class level auto deferred to construct a deferred property', function () {
     #[AutoInertiaDeferred]
     class AutoDeferredData extends Data
     {
-        public string|InertiaDeferred $string;
+        public InertiaDeferred $deferred;
     };
 
-    $data = AutoDeferredData::from(['string' => 'Hello World']);
+    $data = AutoDeferredData::from(['string' => Inertia::defer(fn () => 'Deferred Value')]);
 
-    expect($data->string)->toBeInstanceOf(InertiaDeferred::class);
-    expect($data->toArray()['string'])->toBeInstanceOf(\Inertia\DeferProp::class);
+    expect($data->deferred)->toBeInstanceOf(InertiaDeferred::class);
+    expect($data->toArray()['string'])->toBeInstanceOf(DeferProp::class);
 })->todo();

tests/Resolvers/VisibleDataFieldsResolverTest.php

@@ -1,6 +1,7 @@
 <?php
 
 use Inertia\DeferProp;
+use Inertia\Inertia;
 use Inertia\LazyProp;
 use Spatie\LaravelData\Attributes\DataCollectionOf;
 use Spatie\LaravelData\Attributes\Hidden;
@@ -227,7 +228,7 @@ public function __construct(
         public static function create(string $name): static
         {
             return new self(
-                Lazy::inertiaDeferred(fn () => $name)
+                Lazy::inertiaDeferred(Inertia::defer(fn () => $name))
             );
         }
     };