私のやり方は、JS をバッファーに追加し、フォームのレンダリング中にカスタムの twig 拡張機能を作成し、後でレイアウトの にダンプすることでした。
このようなもの:
<?php
namespace AppBundle\Twig;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;
class WysiwygExtension extends AbstractExtension
{
/**
* @var array
*
* A pool of elements IDs for Wysiwyg binding.
*/
private $wysiwygElements = [];
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return array(
new TwigFunction('addWysiwygBinding', [$this, 'addWysiwygBinding']),
new TwigFunction('popWysiwygBindings', [$this, 'popWysiwygBindings']),
);
}
public function addWysiwygBinding(string $id): void
{
$this->wysiwyglements[] = $id;
}
public function popWysiwygBindings(): array
{
$elements = array_unique($this->wysiwygElements);
$this->wysiwygElements = [];
return $elements;
}
}
次にform-fields.html.twig
:
...
{% block wysiwyg_widget %}
{% apply spaceless %}
{{ form_widget(form) }}
{% do addWysiwygBinding(id) %}
{% endapply %}
{% endblock %}
...
次にlayout.html.twig
:
<!DOCTYPE html>
<html>
<head>
...
</head>
<body>
...
{% set ids = popWysiwygBindings() %}
{% if ids is not empty %}
{% javascripts
'bundles/admin/plugins/wysiwyg_1.js'
'bundles/admin/plugins/wysiwyg_2.js'
%}
<script type="text/javascript" src="{{ asset_url }}"></script>
{% endjavascripts %}
{% endif %}
{% for id in ids %}
{{ include('_wysiwyg.html.twig', { id: id }) }}
{% endfor %}
</body>
</html>