From c3a6cef699eb2556779088c91ee6dc8fb5df7d5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Norman=20K=C3=A4mper-Leymann?=
 <leymannx@users.noreply.github.com>
Date: Wed, 9 Oct 2019 11:38:21 +0200
Subject: [PATCH] Use injected messenger service if possible.

---
 templates/module/src/Form/form.php.twig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/templates/module/src/Form/form.php.twig b/templates/module/src/Form/form.php.twig
index 35c7517c1..6409d6a1e 100644
--- a/templates/module/src/Form/form.php.twig
+++ b/templates/module/src/Form/form.php.twig
@@ -114,7 +114,11 @@ class {{ class_name }} extends FormBase {% endblock %}
   public function submitForm(array &$form, FormStateInterface $form_state) {
     // Display result.
     foreach ($form_state->getValues() as $key => $value) {
+{% if 'messenger' in services|keys %}
+      $this->messenger->addMessage($key . ': ' . ($key === 'text_format'?$value['value']:$value));
+{% else %}
       \Drupal::messenger()->addMessage($key . ': ' . ($key === 'text_format'?$value['value']:$value));
+{% endif %}
     }
   }
 {% endblock %}