Fix for #58

Author: pascalbaljet

src/Components/HandlesDefaultAndOldValue.php

@@ -19,7 +19,9 @@ private function setValue(
         $inputName = static::convertBracketsToDots($name);
 
         if (!$language) {
-            $default = $this->getBoundValue($bind, $name) ?: $default;
+            $boundValue = $this->getBoundValue($bind, $name);
+
+            $default = is_null($boundValue) ? $default : $boundValue;
 
             return $this->value = old($inputName, $default);
         }

tests/Feature/BindTest.php

@@ -23,6 +23,15 @@ public function it_can_bind_a_target_to_the_form()
             ->seeElement('input[name="radio"]:checked');
     }
 
+    /** @test */
+    public function it_sets_the_right_value_if_the_value_is_zero()
+    {
+        $this->registerTestRoute('bind-target-zero-value');
+
+        $this->visit('/bind-target-zero-value')
+            ->seeElement('input[name="input"][value="0"]');
+    }
+
     /** @test */
     public function it_overrides_the_bound_target_with_the_old_request_data()
     {

tests/Feature/views/bind-target-zero-value.blade.php

@@ -0,0 +1,12 @@
+@php
+    $target = [
+        'input' => 0,
+    ];
+@endphp
+
+<x-form>
+    @bind($target)
+        <x-form-input name="input" />
+        <x-form-submit />
+    @endbind
+</x-form>