Refacturing configureFields avec getPanels

Controller/AbstractAdminController.php

         $crud->setPaginatorPageSize($maxResults);
     }
 
-    public function configureFields(string $pageName): iterable
+    public function getSeoPanel(): ?array
     {
-        $seoPanel = $confPanel = array();
-
         if ($this->isInstanceOf(SeoInterface::class)) {
-            $seoPanel = [
+            return [
                     FormField::addPanel('seo')->setTemplateName('crud/field/generic'),
                     TextField::new('metaTitle')->setLabel('Meta Title')->setHelp(
                             'Affiché dans les résultats de recherche Google'
                                     'Anciennes urls du document'
                             )->hideOnIndex(),
             ];
+        } else {
+            return null;
         }
+    }
 
+    public function getConfPanel(): ?array
+    {
         if ($this->isInstanceOf(DevAliasInterface::class)) {
-            $confPanel = [
+            return [
                     FormField::addPanel('configuration')->setTemplateName('crud/field/generic'),
                     TextField::new('devAlias')->hideOnIndex(),
             ];
+        }else{
+            return null;
         }
 
-        return array_merge($seoPanel, $confPanel);
     }
 
-
     public function sort(AdminContext $context)
     {
         $event = new BeforeCrudActionEvent($context);
 
     public function createEntity(string $entityFqcn)
     {
-        if(method_exists($this, 'getEntityFactory')) {
+        if (method_exists($this, 'getEntityFactory')) {
             $factoryClass = $this->getEntityFactory();
             $factory = new $factoryClass;
+
             return $factory->create();
-        }
-        else {
+        } else {
             return parent::createEntity($entityFqcn);
         }
     }