Ckeditor5ReadOnlyModeHooks.php

<?php

declare (strict_types=1);
namespace Drupal\ckeditor5_read_only_mode\Hook;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for ckeditor5_read_only_mode.
 */
class Ckeditor5ReadOnlyModeHooks {
    
    /**
     * Implements hook_form_FORM_ID_alter().
     */
    public function formNodePageFormAlter(array &$form, FormStateInterface $form_state, string $form_id) : void {
        $form['body']['#disabled'] = \Drupal::state()->get('ckeditor5_read_only_mode_body_enabled', FALSE);
        $form['field_second_ckeditor5_field']['#disabled'] = \Drupal::state()->get('ckeditor5_read_only_mode_second_ckeditor5_field_enabled', FALSE);
    }

}