Issue #3481051 by smovs, pdureau: Use Drupal YAML dumper instead of Symfony?

modules/ui_patterns_devel/src/Controller/ComponentValidatorOverview.php

@@ -6,6 +6,7 @@ namespace Drupal\ui_patterns_devel\Controller;
 
 use Drupal\Component\Render\FormattableMarkup;
 use Drupal\Component\Render\MarkupInterface;
+use Drupal\Component\Serialization\Yaml;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\DependencyInjection\AutowireTrait;
 use Drupal\Core\Link;
@@ -16,7 +17,6 @@ use Drupal\ui_patterns\ComponentPluginManager;
 use Drupal\ui_patterns_devel\Validator;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\HttpFoundation\RedirectResponse;
-use Symfony\Component\Yaml\Yaml;
 
 /**
  * Returns responses for UI Patterns Devel routes.
@@ -465,7 +465,7 @@ final class ComponentValidatorOverview extends ControllerBase {
       '#description' => $this->t('Definition processed by the code before rendering.'),
       '#open' => FALSE,
       '#weight' => 3,
-      ['#markup' => '<pre><code>' . \htmlentities((string) Yaml::dump($component->getPluginDefinition(), 10, 2)) . '</code></pre>'],
+      ['#markup' => '<pre><code>' . \htmlentities((string) Yaml::encode($component->getPluginDefinition())) . '</code></pre>'],
     ];
 
     $build['source'] = [

modules/ui_patterns_legacy/src/ComponentWriter.php

@@ -4,8 +4,8 @@ declare(strict_types=1);
 
 namespace Drupal\ui_patterns_legacy;
 
+use Drupal\Component\Serialization\Yaml;
 use Symfony\Component\Finder\Finder;
-use Symfony\Component\Yaml\Yaml;
 
 /**
  * Component writer.
@@ -28,7 +28,7 @@ class ComponentWriter {
     // - empty objects: Symfony does "{  }", Prettier does "{}"
     // - arrays of objects: Symfony adds a line break after dash, Prettier
     //   doesn't.
-    $yaml = Yaml::dump($definition, 10, 2);
+    $yaml = Yaml::encode($definition);
     file_put_contents($path . $filename, $yaml);
   }