lib/graphql/schema/build_from_definition.rb in graphql-1.2.6 vs lib/graphql/schema/build_from_definition.rb in graphql-1.3.0

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 module GraphQL
   class Schema
     module BuildFromDefinition
       class << self
         def from_definition(definition_string)
@@ -82,10 +83,12 @@
 
         NullResolveType = -> (obj, ctx) {
           raise(NotImplementedError, "Generated Schema cannot use Interface or Union types for execution.")
         }
 
+        NullScalarCoerce = ->(val) { val }
+
         def build_enum_type(enum_type_definition, type_resolver)
           GraphQL::EnumType.define(
             name: enum_type_definition.name,
             description: enum_type_definition.description,
             values: enum_type_definition.values.map do |enum_value_definition|
@@ -111,9 +114,10 @@
 
         def build_scalar_type(scalar_type_definition, type_resolver)
           GraphQL::ScalarType.define(
             name: scalar_type_definition.name,
             description: scalar_type_definition.description,
+            coerce: NullScalarCoerce,
           )
         end
 
         def build_union_type(union_type_definition, type_resolver)
           GraphQL::UnionType.define(