lib/graphql-docs/helpers.rb in graphql-docs-0.5.2 vs lib/graphql-docs/helpers.rb in graphql-docs-0.5.3

@@ -76,34 +76,34 @@
 
       [type_path.downcase, type_name, name_slug.downcase]
     end
 
     def graphql_mutation_types
-      @parsed_schema['mutation_types']
+      @parsed_schema['mutation_types'] || []
     end
 
     def graphql_object_types
-      @parsed_schema['object_types']
+      @parsed_schema['object_types'] || []
     end
 
     def graphql_interface_types
-      @parsed_schema['interface_types']
+      @parsed_schema['interface_types'] || []
     end
 
     def graphql_enum_types
-      @parsed_schema['enum_types']
+      @parsed_schema['enum_types'] || []
     end
 
     def graphql_union_types
-      @parsed_schema['union_types']
+      @parsed_schema['union_types'] || []
     end
 
     def graphql_input_object_types
-      @parsed_schema['input_object_types']
+      @parsed_schema['input_object_types'] || []
     end
 
     def graphql_scalar_types
-      @parsed_schema['scalar_types']
+      @parsed_schema['scalar_types'] || []
     end
 
     private
 
     def fetch_include(filename)