Add mobile preview

composer.json

@@ -42,6 +42,9 @@
             },
             "drupal/inline_entity_form": {
                 "Issue #3542076: Empty media entities with simple widget in paragraphs": "https://www.drupal.org/files/issues/2025-08-20/3542076-empty-media-entities-with-simple-widget-in-paragraphs.diff"
+            },
+            "drupal/graphql": {
+                "#3563846: Add node preview": "https://www.drupal.org/files/issues/2026-02-09/3563846.diff"
             }
         }
     },

modules/thunder_gqls/src/Plugin/GraphQL/DataProducer/EntityLinks.php

@@ -6,6 +6,7 @@
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Render\RenderContext;
 use Drupal\Core\Render\RendererInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\graphql\Plugin\GraphQL\DataProducer\DataProducerPluginBase;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -38,7 +39,8 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration,
       $plugin_id,
       $plugin_definition,
-      $container->get('renderer')
+      $container->get('renderer'),
+      $container->get('current_route_match')
     );
   }
 
@@ -53,12 +55,15 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The plugin definition.
    * @param \Drupal\Core\Render\RendererInterface $renderer
    *   The renderer service.
+   * @param \Drupal\Core\Routing\RouteMatchInterface $routeMatch
+   *   The current route match.
    */
   public function __construct(
     array $configuration,
     string $plugin_id,
     $plugin_definition,
     protected readonly RendererInterface $renderer,
+    protected readonly RouteMatchInterface $routeMatch,
   ) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
   }
@@ -73,6 +78,11 @@ public function __construct(
    *   The entity links.
    */
   public function resolve(EntityInterface $entity): array {
+    // Do not expose links on node preview.
+    if ($this->routeMatch->getRouteName() === 'entity.node.preview') {
+      return [];
+    }
+
     $context = new RenderContext();
     $result = $this->renderer->executeInRenderContext($context, function () use ($entity): array {
       $links = $entity->getEntityType()->getLinkTemplates();

modules/thunder_gqls/src/Plugin/GraphQL/DataProducer/MetaTags.php

@@ -96,7 +96,8 @@ public function __construct(
    *   Normalized metatags.
    */
   public function resolve(mixed $value, ?string $type, RefinableCacheableDependencyInterface $metadata): array {
-    if ($value instanceof ContentEntityInterface) {
+    // Do not render metatags for new entities preview.
+    if ($value instanceof ContentEntityInterface && !$value->isNew()) {
       $context = new RenderContext();
       $result = $this->renderer->executeInRenderContext($context, function () use ($value): array {
         $tags = $this->metatagManager->tagsFromEntityWithDefaults($value);

modules/thunder_gqls/src/Plugin/GraphQL/SchemaExtension/ThunderSchemaExtensionPluginBase.php

@@ -90,8 +90,12 @@ protected function resolveBaseFields(string $type, string $entity_type_id): void
     $this->addFieldResolverIfNotExists(
       $type,
       'id',
-      $this->builder->produce('entity_id')
-        ->map('entity', $this->builder->fromParent())
+      $this->builder->compose(
+        $this->builder->produce('entity_id')
+          ->map('entity', $this->builder->fromParent()),
+        // Coerce NULL to 0 for preview.
+        $this->builder->callback(fn ($parent) => $parent ?: 0)
+      )
     );
 
     $this->addFieldResolverIfNotExists(
@@ -121,10 +125,20 @@ protected function resolveBaseFields(string $type, string $entity_type_id): void
     if ($entity_type->hasLinkTemplate('canonical')) {
       $this->addFieldResolverIfNotExists($type, 'url',
         $this->builder->compose(
-          $this->builder->produce('entity_url')
-            ->map('entity', $this->builder->fromParent()),
-          $this->builder->produce('url_path')
-            ->map('url', $this->builder->fromParent())
+          $this->builder->cond([
+            [
+              $this->builder->callback(fn ($entity) => !$entity->isNew()),
+              $this->builder->compose(
+                $this->builder->produce('entity_url')
+                  ->map('entity', $this->builder->fromParent()),
+                $this->builder->produce('url_path')
+                  ->map('url', $this->builder->fromParent()),
+              ),
+            ], [
+              $this->builder->fromValue('TRUE'),
+              $this->builder->fromValue('#'),
+            ],
+          ])
         )
       );
     }