Issue #3477573 by pdureau: Better stories slots processing

Closes #3477573

modules/ui_patterns_legacy/src/Element/ComponentElementAlter.php

@@ -7,8 +7,8 @@ namespace Drupal\ui_patterns_legacy\Element;
 use Drupal\Core\Security\TrustedCallbackInterface;
 use Drupal\Core\Theme\ComponentPluginManager;
 use Drupal\Core\Theme\ThemeManagerInterface;
-use Drupal\ui_patterns\Element\ComponentElementAlter as UiPatternsComponentElementAlter;
 use Drupal\ui_patterns_legacy\RenderableConverter;
+use Drupal\ui_patterns_library\StoriesSyntaxConverter;
 
 /**
  * Renders a component story.
@@ -22,13 +22,13 @@ class ComponentElementAlter implements TrustedCallbackInterface {
    *   The theme manager.
    * @param \Drupal\Core\Theme\ComponentPluginManager $componentPluginManager
    *   The component plugin manager.
-   * @param \Drupal\ui_patterns\Element\ComponentElementAlter $componentElementAlter
-   *   The component element alter.
+   * @param \Drupal\ui_patterns_library\StoriesSyntaxConverter $storiesConverter
+   *   The stories syntax converter.
    */
   public function __construct(
     protected ThemeManagerInterface $themeManager,
     protected ComponentPluginManager $componentPluginManager,
-    protected UiPatternsComponentElementAlter $componentElementAlter,
+    protected StoriesSyntaxConverter $storiesConverter,
   ) {
   }
 
@@ -70,7 +70,7 @@ class ComponentElementAlter implements TrustedCallbackInterface {
       return $element;
     }
     $element["#story"] = $this->getStoryId($component["stories"]);
-    $element["#slots"] = $this->componentElementAlter->processStoriesSlots($element["#slots"] ?? []);
+    $element["#slots"] = $this->storiesConverter->convertSlots($element["#slots"] ?? []);
     return $element;
   }