support input object directive

codegen/field.go

@@ -89,6 +89,11 @@ func (b *builder) bindField(obj *Object, f *Field) (errret error) {
 			if err != nil {
 				errret = err
 			}
+			for _, dir := range obj.Directives {
+				if dir.IsLocation(ast.LocationInputObject) {
+					dirs = append(dirs, dir)
+				}
+			}
 			f.Directives = append(dirs, f.Directives...)
 		}
 	}()
@@ -420,7 +425,8 @@ func (f *Field) ImplDirectives() []*Directive {
 		loc = ast.LocationInputFieldDefinition
 	}
 	for i := range f.Directives {
-		if !f.Directives[i].Builtin && f.Directives[i].IsLocation(loc, ast.LocationObject) {
+		if !f.Directives[i].Builtin &&
+			(f.Directives[i].IsLocation(loc, ast.LocationObject) || f.Directives[i].IsLocation(loc, ast.LocationInputObject)) {
 			d = append(d, f.Directives[i])
 		}
 	}

codegen/testserver/directive.graphql

@@ -5,6 +5,7 @@ directive @logged(id: UUID!) on FIELD
 directive @toNull on ARGUMENT_DEFINITION | INPUT_FIELD_DEFINITION | FIELD_DEFINITION
 directive @directive1 on FIELD_DEFINITION
 directive @directive2 on FIELD_DEFINITION
+directive @directive3 on INPUT_OBJECT
 directive @unimplemented on FIELD_DEFINITION
 directive @order1(location: String!) repeatable on FIELD_DEFINITION | OBJECT
 directive @order2(location: String!) on OBJECT
@@ -30,7 +31,7 @@ extend type Subscription {
     directiveUnimplemented: String @unimplemented
 }
 
-input InputDirectives {
+input InputDirectives @directive3 {
     text: String! @length(min: 0, max: 7, message: "not valid")
     nullableText: String @toNull
     inner: InnerDirectives!

codegen/testserver/directive_test.go

@@ -162,6 +162,9 @@ func TestDirectives(t *testing.T) {
 			Directive2: func(ctx context.Context, obj interface{}, next graphql.Resolver) (res interface{}, err error) {
 				return next(ctx)
 			},
+			Directive3: func(ctx context.Context, obj interface{}, next graphql.Resolver) (res interface{}, err error) {
+				return next(ctx)
+			},
 			Order1: func(ctx context.Context, obj interface{}, next graphql.Resolver, location string) (res interface{}, err error) {
 				order := []string{location}
 				res, err = next(ctx)