--- /dev/null
+<?php
+
+namespace Drupal\big_pipe_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+class BigPipeTestForm extends FormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'big_pipe_test_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $form['#token'] = FALSE;
+
+ $form['big_pipe'] = [
+ '#type' => 'checkboxes',
+ '#title' => $this->t('BigPipe works…'),
+ '#options' => [
+ 'js' => $this->t('… with JavaScript'),
+ 'nojs' => $this->t('… without JavaScript'),
+ ],
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) { }
+
+}