slight fixes

Author: yaacovCR

src/utilities/mapSchemaConfig.ts

@@ -223,10 +223,15 @@ export function mapSchemaConfig(
 
   const mappedSchemaConfig = {
     ...schemaConfig,
-    query: schemaConfig.query && getMappedType(schemaConfig.query),
-    mutation: schemaConfig.mutation && getMappedType(schemaConfig.mutation),
+    query:
+      schemaConfig.query &&
+      (getMappedNamedType(schemaConfig.query.name) as GraphQLObjectType),
+    mutation:
+      schemaConfig.mutation &&
+      (getMappedNamedType(schemaConfig.mutation.name) as GraphQLObjectType),
     subscription:
-      schemaConfig.subscription && getMappedType(schemaConfig.subscription),
+      schemaConfig.subscription &&
+      (getMappedNamedType(schemaConfig.subscription.name) as GraphQLObjectType),
     types: Array.from(mappedTypeMap.values()),
     directives: mappedDirectives,
   };
@@ -301,7 +306,10 @@ export function mapSchemaConfig(
     const config = type.toConfig();
     let mappedConfig: Maybe<MappedGraphQLObjectTypeConfig> = {
       ...config,
-      interfaces: () => config.interfaces.map(getMappedType),
+      interfaces: () =>
+        config.interfaces.map(
+          (iface) => getMappedNamedType(iface.name) as GraphQLInterfaceType,
+        ),
       fields: () => mapFields(config.fields, type.name),
     };
     const mapper = configMappersWithHelpers[SchemaElementKind.OBJECT];
@@ -379,7 +387,10 @@ export function mapSchemaConfig(
     const config = type.toConfig();
     let mappedConfig: Maybe<MappedGraphQLInterfaceTypeConfig> = {
       ...config,
-      interfaces: () => config.interfaces.map(getMappedType),
+      interfaces: () =>
+        config.interfaces.map(
+          (iface) => getMappedNamedType(iface.name) as GraphQLInterfaceType,
+        ),
       fields: () => mapFields(config.fields, type.name),
     };
     const mapper = configMappersWithHelpers[SchemaElementKind.INTERFACE];
@@ -394,7 +405,11 @@ export function mapSchemaConfig(
     const config = type.toConfig();
     let mappedConfig: Maybe<MappedGraphQLUnionTypeConfig> = {
       ...config,
-      types: () => config.types.map(getMappedType),
+      types: () =>
+        config.types.map(
+          (memberType) =>
+            getMappedNamedType(memberType.name) as GraphQLObjectType,
+        ),
     };
     const mapper = configMappersWithHelpers[SchemaElementKind.UNION];
     mappedConfig =