feat: add a new named node interface

language/ast/arguments.go

@@ -27,3 +27,7 @@ func (arg *Argument) GetKind() string {
 func (arg *Argument) GetLoc() *Location {
 	return arg.Loc
 }
+
+func (arg *Argument) GetName() *Name {
+	return arg.Name
+}

language/ast/definitions.go

@@ -233,3 +233,7 @@ func (def *DirectiveDefinition) GetOperation() string {
 func (def *DirectiveDefinition) GetDescription() *StringValue {
 	return def.Description
 }
+
+func (def *DirectiveDefinition) GetName() *Name {
+	return def.Name
+}

language/ast/named_node.go

@@ -0,0 +1,24 @@
+package ast
+
+type NamedNode interface {
+	GetName() *Name
+}
+
+// Ensure that the following types implement the NamedNode interface
+var _ NamedNode = (*Argument)(nil)
+var _ NamedNode = (*DirectiveDefinition)(nil)
+var _ NamedNode = (*FragmentDefinition)(nil)
+var _ NamedNode = (*OperationDefinition)(nil)
+var _ NamedNode = (*Field)(nil)
+var _ NamedNode = (*FragmentSpread)(nil)
+var _ NamedNode = (*EnumDefinition)(nil)
+var _ NamedNode = (*EnumValueDefinition)(nil)
+var _ NamedNode = (*FieldDefinition)(nil)
+var _ NamedNode = (*InputObjectDefinition)(nil)
+var _ NamedNode = (*InputValueDefinition)(nil)
+var _ NamedNode = (*InterfaceDefinition)(nil)
+var _ NamedNode = (*ObjectDefinition)(nil)
+var _ NamedNode = (*ScalarDefinition)(nil)
+var _ NamedNode = (*UnionDefinition)(nil)
+var _ NamedNode = (*ObjectField)(nil)
+var _ NamedNode = (*Variable)(nil)

language/ast/selections.go

@@ -44,6 +44,10 @@ func (f *Field) GetSelectionSet() *SelectionSet {
 	return f.SelectionSet
 }
 
+func (f *Field) GetName() *Name {
+	return f.Name
+}
+
 // FragmentSpread implements Node, Selection
 type FragmentSpread struct {
 	Kind       string
@@ -76,6 +80,10 @@ func (fs *FragmentSpread) GetSelectionSet() *SelectionSet {
 	return nil
 }
 
+func (fs *FragmentSpread) GetName() *Name {
+	return fs.Name
+}
+
 // InlineFragment implements Node, Selection
 type InlineFragment struct {
 	Kind          string

language/ast/type_definitions.go

@@ -248,6 +248,10 @@ func (def *FieldDefinition) GetDescription() *StringValue {
 	return def.Description
 }
 
+func (def *FieldDefinition) GetName() *Name {
+	return def.Name
+}
+
 // InputValueDefinition implements Node
 type InputValueDefinition struct {
 	Kind         string
@@ -286,6 +290,10 @@ func (def *InputValueDefinition) GetDescription() *StringValue {
 	return def.Description
 }
 
+func (def *InputValueDefinition) GetName() *Name {
+	return def.Name
+}
+
 // InterfaceDefinition implements Node, Definition
 type InterfaceDefinition struct {
 	Kind        string
@@ -476,6 +484,10 @@ func (def *EnumValueDefinition) GetDescription() *StringValue {
 	return def.Description
 }
 
+func (def *EnumValueDefinition) GetName() *Name {
+	return def.Name
+}
+
 // InputObjectDefinition implements Node, Definition
 type InputObjectDefinition struct {
 	Kind        string

language/ast/values.go

@@ -48,7 +48,7 @@ func (v *Variable) GetValue() interface{} {
 	return v.GetName()
 }
 
-func (v *Variable) GetName() interface{} {
+func (v *Variable) GetName() *Name {
 	return v.Name
 }
 
@@ -297,6 +297,10 @@ func (f *ObjectField) GetLoc() *Location {
 	return f.Loc
 }
 
+func (f *ObjectField) GetName() *Name {
+	return f.Name
+}
+
 func (f *ObjectField) GetValue() interface{} {
 	return f.Value
 }