MC-36456: union implementation

Author: cpartica

lib/internal/Magento/Framework/GraphQl/Config/Element/UnionInterface.php

@@ -19,5 +19,5 @@ interface UnionInterface extends ConfigElementInterface
      *
      * @return Type[]
      */
-    public function getTypes() : array;
+    public function getTypes(): array;
 }

lib/internal/Magento/Framework/GraphQl/Config/Element/UnionType.php

@@ -55,7 +55,7 @@ public function __construct(
      *
      * @return string
      */
-    public function getName() : string
+    public function getName(): string
     {
         return $this->name;
     }
@@ -65,7 +65,7 @@ public function getName() : string
      *
      * @return string[]
      */
-    public function getTypes() : array
+    public function getTypes(): array
     {
         return $this->types;
     }
@@ -75,7 +75,7 @@ public function getTypes() : array
      *
      * @return string
      */
-    public function getTypeResolver()
+    public function getTypeResolver(): string
     {
         return $this->typeResolver;
     }
@@ -85,7 +85,7 @@ public function getTypeResolver()
      *
      * @return string
      */
-    public function getDescription() : string
+    public function getDescription(): string
     {
         return $this->description;
     }

lib/internal/Magento/Framework/GraphQl/Schema/Type/Output/ElementMapper/Formatter/Unions.php

@@ -34,7 +34,7 @@ public function __construct(OutputMapper $outputMapper)
     /**
      * @inheritDoc
      */
-    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType) : array
+    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType): array
     {
         $config = [];
         if ($configElement instanceof UnionType && !empty($configElement->getTypes())) {

lib/internal/Magento/Framework/GraphQl/Schema/Type/Output/ElementMapper/FormatterComposite.php

@@ -31,7 +31,7 @@ public function __construct(array $formatters)
     /**
      * @inheritDoc
      */
-    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType) : array
+    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType): array
     {
         $defaultConfig = [
             'name' => $configElement->getName(),
@@ -42,6 +42,6 @@ public function format(ConfigElementInterface $configElement, OutputTypeInterfac
             $formattedConfig[] = $formatter->format($configElement, $outputType);
         }
 
-        return  array_merge($defaultConfig,...$formattedConfig);
+        return  array_merge($defaultConfig, ...$formattedConfig);
     }
 }

lib/internal/Magento/Framework/GraphQl/Schema/Type/Output/ElementMapper/FormatterInterface.php

@@ -22,5 +22,5 @@ interface FormatterInterface
      * @param OutputTypeInterface $outputType
      * @return array
      */
-    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType) : array;
+    public function format(ConfigElementInterface $configElement, OutputTypeInterface $outputType): array;
 }

lib/internal/Magento/Framework/GraphQlSchemaStitching/GraphQlReader/Reader/UnionType.php

@@ -53,7 +53,7 @@ public function __construct(
     /**
      * @inheritDoc
      */
-    public function read(\GraphQL\Type\Definition\Type $typeMeta) : array
+    public function read(\GraphQL\Type\Definition\Type $typeMeta): array
     {
         if ($typeMeta instanceof \GraphQL\Type\Definition\UnionType) {
             $typeName = $typeMeta->name;
@@ -85,7 +85,7 @@ public function read(\GraphQL\Type\Definition\Type $typeMeta) : array
      * @param \GraphQL\Type\Definition\UnionType $unionTypeMeta
      * @return string
      */
-    private function getUnionTypeResolver(\GraphQL\Type\Definition\UnionType $unionTypeMeta) : string
+    private function getUnionTypeResolver(\GraphQL\Type\Definition\UnionType $unionTypeMeta): string
     {
         /** @var \GraphQL\Language\AST\NodeList $directives */
         $directives = $unionTypeMeta->astNode->directives;