Only add the clear_button plugin to TomSelect if the form element is not required

we need to add our own `required` attr here, as symfony does not always render the `required` form view variable

see: https://github.com/symfony/symfony/blob/b1b77f366d42a58c1cd0879c605b997d05279d01/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig\#L59-L61

Author: bendavies

src/Autocomplete/assets/src/controller.ts

@@ -50,7 +50,7 @@ export default class extends Controller {
 
         // multiple values excepted if this is NOT A select (i.e. input) or a multiple select
         const isMultiple = !this.selectElement || this.selectElement.multiple;
-        if (!this.formElement.disabled && !isMultiple) {
+        if (!this.formElement.required && !this.formElement.disabled && !isMultiple) {
             plugins.clear_button = { title: '' };
         }
 

src/Autocomplete/src/Form/AutocompleteChoiceTypeExtension.php

@@ -47,6 +47,8 @@ public function finishView(FormView $view, FormInterface $form, array $options)
 
         $attr = $view->vars['attr'] ?? [];
 
+        $attr['required'] = $view->vars['required'];
+
         $controllerName = 'symfony--ux-autocomplete--autocomplete';
         $attr['data-controller'] = trim(($attr['data-controller'] ?? '').' '.$controllerName);
 

src/Autocomplete/tests/Fixtures/Form/ProductType.php

@@ -28,6 +28,16 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
                 'autocomplete' => true,
                 'mapped' => false,
             ])
+            ->add('colour', ChoiceType::class, [
+                'choices' => [
+                    'red' => 'red',
+                    'blue' => 'blue',
+                    'green' => 'green',
+                ],
+                'autocomplete' => true,
+                'mapped' => false,
+                'required' => false,
+            ])
             ->add('tags', TextType::class, [
                 'mapped' => false,
                 'autocomplete' => true,

src/Autocomplete/tests/Functional/AutocompleteFormRenderingTest.php

@@ -31,10 +31,17 @@ public function testFieldsRenderWithStimulusController()
             ->get('/test-form')
             ->assertElementAttributeContains('#product_category_autocomplete', 'data-controller', 'symfony--ux-autocomplete--autocomplete')
             ->assertElementAttributeContains('#product_category_autocomplete', 'data-symfony--ux-autocomplete--autocomplete-url-value', '/test/autocomplete/category_autocomplete_type')
+            ->assertElementAttributeContains('#product_category_autocomplete', 'required', 'required')
 
             ->assertElementAttributeContains('#product_portionSize', 'data-controller', 'symfony--ux-autocomplete--autocomplete')
+            ->assertElementAttributeContains('#product_portionSize', 'required', 'required')
+
+            // not implemented in zenstruck/browser
+            // ->elementAttributeNotExists('#product_colour', 'required')
+
             ->assertElementAttributeContains('#product_tags', 'data-controller', 'symfony--ux-autocomplete--autocomplete')
             ->assertElementAttributeContains('#product_tags', 'data-symfony--ux-autocomplete--autocomplete-tom-select-options-value', 'createOnBlur')
+            ->assertElementAttributeContains('#product_tags', 'required', 'required')
         ;
     }