Make sure empty schemas are encoded as objects instead of arrays

Author: tobyzerner

src/Endpoint/Concerns/SerializesDocument.php

@@ -31,19 +31,19 @@ private function documentSchema(SchemaContext $context, array $schemaProviders =
         foreach ($schemaProviders as $provider) {
             if ($provider instanceof ProvidesDocumentMeta) {
                 foreach ($provider->documentMeta() as $m) {
-                    $meta[$m->name] = $m->getSchema($context);
+                    $meta[$m->name] = (object) $m->getSchema($context);
                 }
             }
 
             if ($provider instanceof ProvidesDocumentLinks) {
                 foreach ($provider->documentLinks() as $link) {
-                    $links[$link->name] = $link->getSchema($context);
+                    $links[$link->name] = (object) $link->getSchema($context);
                 }
             }
         }
 
         foreach ($this->meta as $m) {
-            $meta[$m->name] = $m->getSchema($context);
+            $meta[$m->name] = (object) $m->getSchema($context);
         }
 
         return [

src/Resource/AbstractResource.php

@@ -71,7 +71,7 @@ public function rootSchema(SchemaContext $context): array
 
         $updateSchema = array_merge_recursive($schema, [
             'required' => ['id'],
-            'properties' => ['id' => $id->getSchema($context)],
+            'properties' => ['id' => (object) $id->getSchema($context)],
         ]);
 
         foreach ([$id, ...$this->fields()] as $field) {

src/Schema/Concerns/HasSchema.php

@@ -2,6 +2,8 @@
 
 namespace Tobyz\JsonApiServer\Schema\Concerns;
 
+use Tobyz\JsonApiServer\SchemaContext;
+
 trait HasSchema
 {
     protected array $schema = [];
@@ -29,7 +31,7 @@ public function description(?string $description): static
     /**
      * Get the custom schema.
      */
-    private function getSchema(): array
+    private function getSchema(SchemaContext $context): array
     {
         return $this->schema;
     }

src/Schema/Parameter.php

@@ -63,7 +63,7 @@ public function getSchema(SchemaContext $context): array
         $schema = [
             'name' => $this->name,
             'in' => $this->in,
-            'schema' => $this->type?->schema() ?: [],
+            'schema' => $this->type?->schema() ?: (object) [],
             ...parent::getSchema($context),
         ];
 

src/Schema/Sort.php

@@ -3,12 +3,10 @@
 namespace Tobyz\JsonApiServer\Schema;
 
 use Tobyz\JsonApiServer\Context;
-use Tobyz\JsonApiServer\Schema\Concerns\HasSchema;
 use Tobyz\JsonApiServer\Schema\Concerns\HasVisibility;
 
 abstract class Sort
 {
-    use HasSchema;
     use HasVisibility;
 
     public function __construct(public string $name)