Use asserts for type safe root config nodes

nucleos · Dec 27, 2018 · c84ca4a · c84ca4a
1 parent dc8ab25
commit c84ca4a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
@@ -24,13 +24,13 @@ public function getConfigTreeBuilder()
     {
         $treeBuilder = new TreeBuilder('core23_sitemap');
 
-        /* @var ArrayNodeDefinition $rootNode */
         // Keep compatibility with symfony/config < 4.2
         if (!\method_exists($treeBuilder, 'getRootNode')) {
             $rootNode = $treeBuilder->root('core23_sitemap');
         } else {
             $rootNode = $treeBuilder->getRootNode();
         }
+        \assert($rootNode instanceof ArrayNodeDefinition);
 
         $this->addStaticUrlsSection($rootNode);
         $this->addCacheSection($rootNode);