[template] Replace deprecated drupal_set_message

templates/module/post-update.php.twig

@@ -6,7 +6,7 @@
  * Implements hook_post_update_NAME() on Module {{ module }} Post Update {{ post_update_name }}.
  */
 function {{ module }}_post_update_{{ post_update_name }}(&$sandbox) {
-    drupal_set_message('Module {{ module }} Post Update # {{ post_update_name }} () was executed successfully.');
+    \Drupal::messenger()->addMessage('Module {{ module }} Post Update # {{ post_update_name }} () was executed successfully.');
 }
 
 {% endblock %}

templates/module/src/Entity/Form/entity-content-revision-delete.php.twig

@@ -116,7 +116,7 @@ class {{ entity_class }}RevisionDeleteForm extends ConfirmFormBase {% endblock %
     $this->{{ entity_class }}Storage->deleteRevision($this->revision->getRevisionId());
 
     $this->logger('content')->notice('{{ label }}: deleted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
-    drupal_set_message(t('Revision from %revision-date of {{ label }} %title has been deleted.', ['%revision-date' => format_date($this->revision->getRevisionCreationTime()), '%title' => $this->revision->label()]));
+    \Drupal::messenger()->addMessage(t('Revision from %revision-date of {{ label }} %title has been deleted.', ['%revision-date' => format_date($this->revision->getRevisionCreationTime()), '%title' => $this->revision->label()]));
     $form_state->setRedirect(
       'entity.{{ entity_name }}.canonical',
        ['{{ entity_name }}' => $this->revision->id()]

templates/module/src/Entity/Form/entity-content-revision-revert.php.twig

@@ -129,7 +129,7 @@ class {{ entity_class }}RevisionRevertForm extends ConfirmFormBase {% endblock %
     $this->revision->save();
 
     $this->logger('content')->notice('{{ label }}: reverted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
-    drupal_set_message(t('{{ label }} %title has been reverted to the revision from %revision-date.', ['%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)]));
+    \Drupal::messenger()->addMessage(t('{{ label }} %title has been reverted to the revision from %revision-date.', ['%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)]));
     $form_state->setRedirect(
       'entity.{{ entity_name }}.version_history',
       ['{{ entity_name }}' => $this->revision->id()]

templates/module/src/Entity/Form/entity-content.php.twig

@@ -68,13 +68,13 @@ class {{ entity_class }}Form extends ContentEntityForm {% endblock %}
 
     switch ($status) {
       case SAVED_NEW:
-        drupal_set_message($this->t('Created the %label {{ label }}.', [
+        \Drupal::messenger()->addMessage($this->t('Created the %label {{ label }}.', [
           '%label' => $entity->label(),
         ]));
         break;
 
       default:
-        drupal_set_message($this->t('Saved the %label {{ label }}.', [
+        \Drupal::messenger()->addMessage($this->t('Saved the %label {{ label }}.', [
           '%label' => $entity->label(),
         ]));
     }

templates/module/src/Form/entity-delete.php.twig

@@ -47,7 +47,7 @@ class {{ entity_class }}DeleteForm extends EntityConfirmFormBase {% endblock %}
   public function submitForm(array &$form, FormStateInterface $form_state) {
     $this->entity->delete();
 
-    drupal_set_message(
+    \Drupal::messenger()->addMessage(
       $this->t('content @type: deleted @label.',
         [
           '@type' => $this->entity->bundle(),

templates/module/src/Form/entity.php.twig

@@ -58,13 +58,13 @@ class {{ entity_class }}Form extends EntityForm {% endblock %}
 
     switch ($status) {
       case SAVED_NEW:
-        drupal_set_message($this->t('Created the %label {{ label }}.', [
+        \Drupal::messenger()->addMessage($this->t('Created the %label {{ label }}.', [
           '%label' => ${{ entity_name | machine_name }}->label(),
         ]));
         break;
 
       default:
-        drupal_set_message($this->t('Saved the %label {{ label }}.', [
+        \Drupal::messenger()->addMessage($this->t('Saved the %label {{ label }}.', [
           '%label' => ${{ entity_name | machine_name }}->label(),
         ]));
     }

templates/module/src/Form/form-alter.php.twig

@@ -12,15 +12,15 @@ use Drupal\Core\Form\FormStateInterface;
 {% endif %}
  */
 function {{ module }}_form_{{ form_id }}_alter(&$form, FormStateInterface $form_state) {
-    drupal_set_message('{{ module }}_form_{{ form_id }}_alter() executed.');
+    \Drupal::messenger()->addMessage('{{ module }}_form_{{ form_id }}_alter() executed.');
 {% else %}
 /**
  * Implements hook_form_alter() on behalf of {{ module }}.module.
  */
 function {{ module }}_form_alter(&$form, FormStateInterface $form_state, $form_id) {
     // Change form id here
     if ($form_id == 'form_test_alter_form') {
-        drupal_set_message('form_test_form_alter() executed.');
+        \Drupal::messenger()->addMessage('form_test_form_alter() executed.');
 {% endif %}
 
 {%- if metadata.unset -%}

templates/module/src/Form/form.php.twig

@@ -108,7 +108,7 @@ class {{ class_name }} extends FormBase {% endblock %}
   public function submitForm(array &$form, FormStateInterface $form_state) {
     // Display result.
     foreach ($form_state->getValues() as $key => $value) {
-      drupal_set_message($key . ': ' . $value);
+      \Drupal::messenger()->addMessage($key . ': ' . $value);
     }
 
   }

templates/module/src/cache-context.php.twig

@@ -35,7 +35,7 @@ class {{ class }} implements CacheContextInterface {% endblock %}
   * {@inheritdoc}
   */
   public static function getLabel() {
-    drupal_set_message('Lable of cache context');
+    \Drupal::messenger()->addMessage('Lable of cache context');
   }
 
   /**

templates/module/src/event-subscriber.php.twig

@@ -50,7 +50,7 @@ class {{ class }} implements EventSubscriberInterface {% endblock %}
    * @param GetResponseEvent $event
    */
   public function {{ callback }}(Event $event) {
-    drupal_set_message('Event {{ event_name }} thrown by Subscriber in module {{ module }}.', 'status', TRUE);
+    \Drupal::messenger()->addMessage('Event {{ event_name }} thrown by Subscriber in module {{ module }}.', 'status', TRUE);
   }
 {% endfor %}
 {% endblock %}

templates/module/update.php.twig

@@ -6,7 +6,7 @@
  * Implements hook_update_N() on Module {{ module }} Update # {{ update_number }}.
  */
 function {{ module }}_update_{{ update_number }}(&$sandbox) {
-    drupal_set_message('Module {{ module }} Update # {{ update_number }} () was executed successfully.');
+    \Drupal::messenger()->addMessage('Module {{ module }} Update # {{ update_number }} () was executed successfully.');
 }
 
 {% endblock %}