composer.json

@@ -0,0 +1,8 @@
+{
+	"name": "drupal/simple_message",
+	"description": "Displays a simple message.",
+	"type": "drupal-module",
+	"require": {
+		"php": "^7.4"
+	}
+}

src/DisplaySimpleMessage.php

@@ -1,7 +1,10 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\simple_message;
 
+use Drupal\Core\Config\Config;
 use Drupal\Core\Routing\AdminContext;
 use Drupal\Core\Messenger\MessengerInterface;
 use Drupal\Core\Config\ConfigFactoryInterface;
@@ -14,35 +17,28 @@ final class DisplaySimpleMessage implements EventSubscriberInterface {
 
   use StringTranslationTrait;
 
-  private $messenger;
+  private MessengerInterface $messenger;
-  private $adminContext;
+  private AdminContext $adminContext;
-  private $config;
+  private Config $config;
 
   public function __construct(
     MessengerInterface $messenger,
     AdminContext $adminContext,
     ConfigFactoryInterface $configFactory
-   ) {
+  ) {
     $this->messenger = $messenger;
     $this->adminContext = $adminContext;
     $this->config = $configFactory->get('simple_message.config');
   }
 
-  public function displayMessage(GetResponseEvent $event) {
+  public function displayMessage(GetResponseEvent $event): void {
     if ($this->adminContext->isAdminRoute()) {
       return;
     }
 
     if ($message = $this->config->get('message')) {
-      $this->messenger->addMessage($message);
+      $this->messenger->addMessage($this->t($message));
     }
-    return;
-
-    $this->messenger->addMessage($this->t('This site is running on a <a href="@vagrant">Vagrant</a> server, deployed with <a href="@ansible">Ansible</a> and <a href="@ansistrano">Ansistrano</a>.', [
-      '@ansible' => 'https://ansible.com',
-      '@ansistrano' => 'https://ansistrano.com',
-      '@vagrant' => 'https://vagrantup.com',
-    ]));
   }
 
   /**