blogben/src/Form/PageType.php

<?php

namespace App\Form;

use App\Entity\Page;
use FOS\CKEditorBundle\Form\Type\CKEditorType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class PageType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        $builder
            ->add('title')
            ->add('content', TextareaType::class, [
                'attr'  => [
                    'data-controller'   => 'easymde'
                ]
            ])
        ;
    }

    public function configureOptions(OptionsResolver $resolver): void
    {
        $resolver->setDefaults([
            'data_class' => Page::class,
        ]);
    }
}