bug #25094 [FrameworkBundle][DX] Display a nice error message if an enabled component is missing (derrabus)

nicolas-grekas · nicolas-grekas · commit f0270a891ef7 · 2017-11-22T12:40:02.000+01:00
This PR was merged into the 3.3 branch. Discussion ---------- [FrameworkBundle][DX] Display a nice error message if an enabled component is missing | Q | A | ------------- | --- | Branch? | 3.4 | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | #25093 | License | MIT | Doc PR | N/A Commits ------- 2b45805 Display a nice error message if the form/serializer component is missing.
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -171,6 +171,10 @@ public function load(array $configs, ContainerBuilder $container)
         }
 
         if ($this->isConfigEnabled($container, $config['form'])) {
+            if (!class_exists('Symfony\Component\Form\Form')) {
+                throw new LogicException('Form support cannot be enabled as the Form component is not installed.');
+            }
+
             $this->formConfigEnabled = true;
             $this->registerFormConfiguration($config, $container, $loader);
             $config['validation']['enabled'] = true;
@@ -216,6 +220,10 @@ public function load(array $configs, ContainerBuilder $container)
         $this->registerPropertyAccessConfiguration($config['property_access'], $container, $loader);
 
         if ($this->isConfigEnabled($container, $config['serializer'])) {
+            if (!class_exists('Symfony\Component\Serializer\Serializer')) {
+                throw new LogicException('Serializer support cannot be enabled as the Serializer component is not installed.');
+            }
+
             $this->registerSerializerConfiguration($config['serializer'], $container, $loader);
         }
 
