fix(binding): Ensure nested properties uses dot notation

src/Components/FormCheckbox.php

@@ -34,9 +34,9 @@ public function __construct(
         $this->value      = $value;
         $this->showErrors = $showErrors;
 
-        $inputName = Str::before($name, '[]');
+        $inputName = static::convertBracketsToDots(Str::before($name, '[]'));
 
-        if ($oldData = old(static::convertBracketsToDots($inputName))) {
+        if ($oldData = old($inputName)) {
             $this->checked = in_array($value, Arr::wrap($oldData));
         }
 

src/Components/FormRadio.php

@@ -32,7 +32,7 @@ public function __construct(
         }
 
         if (!session()->hasOldInput() && $this->isNotWired()) {
-            $boundValue = $this->getBoundValue($bind, $name);
+            $boundValue = $this->getBoundValue($bind, $inputName);
 
             if (!is_null($boundValue)) {
                 $this->checked = $boundValue == $this->value;

src/Components/FormSelect.php

@@ -43,11 +43,11 @@ public function __construct(
         $this->placeholder  = $placeholder;
 
         if ($this->isNotWired()) {
-            $inputName = Str::before($name, '[]');
+            $inputName = static::convertBracketsToDots(Str::before($name, '[]'));
 
             $default = $this->getBoundValue($bind, $inputName) ?: $default;
 
-            $this->selectedKey = old(static::convertBracketsToDots($inputName), $default);
+            $this->selectedKey = old($inputName, $default);
 
             if ($this->selectedKey instanceof Arrayable) {
                 $this->selectedKey = $this->selectedKey->toArray();

src/Components/HandlesDefaultAndOldValue.php

@@ -19,7 +19,7 @@ private function setValue(
         $inputName = static::convertBracketsToDots($name);
 
         if (!$language) {
-            $boundValue = $this->getBoundValue($bind, $name);
+            $boundValue = $this->getBoundValue($bind, $inputName);
 
             $default = is_null($boundValue) ? $default : $boundValue;
 

tests/Feature/BindTest.php

@@ -103,6 +103,21 @@ public function it_overrides_the_default_value()
             ->dontSeeElement('input[name="radio"]:checked');
     }
 
+    /** @test */
+    public function it_overrides_the_default_value_when_nested()
+    {
+        $this->registerTestRoute('default-values-with-nested-bound-target');
+
+        $this->visit('/default-values-with-nested-bound-target')
+            ->seeElement('input[name="nested[input]"][value="a"]')
+            ->seeInElement('textarea[name="nested[textarea]"]', 'b')
+            ->seeElement('select[name="nested[select]"] > option[value="c"]:selected')
+            ->seeElement('input[name="nested[checkbox]"]')
+            ->dontSeeElement('input[name="nested[checkbox]"]:checked')
+            ->seeElement('input[name="nested[radio]"]')
+            ->dontSeeElement('input[name="nested[radio]"]:checked');
+    }
+
     /** @test */
     public function it_can_bind_two_targets_to_the_form()
     {

tests/Feature/views/default-values-with-nested-bound-target.blade.php

@@ -0,0 +1,26 @@
+@php
+    $target = [
+        'nested' => [
+            'input' => 'a',
+            'textarea' => 'b',
+            'select' => 'c',
+            'checkbox' => false,
+            'radio' => false,
+        ]
+    ];
+@endphp
+
+<x-form>
+    @bind($target)
+        <x-form-input default="d" name="nested[input]" />
+        <x-form-textarea default="e" name="nested[textarea]" />
+        <x-form-select default="f" name="nested[select]" :options="['' => '', 'c' => 'c']" />
+        <x-form-checkbox :default="true" name="nested[checkbox]" />
+
+        <x-form-group name="radio">
+            <x-form-radio :default="true" name="nested[radio]" />
+        </x-form-group>
+
+        <x-form-submit />
+    @endbind
+</x-form>