refactor: treeshakable kind enum

src/language/kinds.ts

@@ -1,72 +1,8 @@
+import * as kinds_ from './kinds_.js'; // eslint-disable-line
+
+export * as Kind from './kinds_.js';
+
 /**
  * The set of allowed kind values for AST nodes.
  */
-enum Kind {
-  /** Name */
-  NAME = 'Name',
-
-  /** Document */
-  DOCUMENT = 'Document',
-  OPERATION_DEFINITION = 'OperationDefinition',
-  VARIABLE_DEFINITION = 'VariableDefinition',
-  SELECTION_SET = 'SelectionSet',
-  FIELD = 'Field',
-  ARGUMENT = 'Argument',
-  FRAGMENT_ARGUMENT = 'FragmentArgument',
-
-  /** Fragments */
-  FRAGMENT_SPREAD = 'FragmentSpread',
-  INLINE_FRAGMENT = 'InlineFragment',
-  FRAGMENT_DEFINITION = 'FragmentDefinition',
-
-  /** Values */
-  VARIABLE = 'Variable',
-  INT = 'IntValue',
-  FLOAT = 'FloatValue',
-  STRING = 'StringValue',
-  BOOLEAN = 'BooleanValue',
-  NULL = 'NullValue',
-  ENUM = 'EnumValue',
-  LIST = 'ListValue',
-  OBJECT = 'ObjectValue',
-  OBJECT_FIELD = 'ObjectField',
-
-  /** Directives */
-  DIRECTIVE = 'Directive',
-
-  /** Types */
-  NAMED_TYPE = 'NamedType',
-  LIST_TYPE = 'ListType',
-  NON_NULL_TYPE = 'NonNullType',
-
-  /** Type System Definitions */
-  SCHEMA_DEFINITION = 'SchemaDefinition',
-  OPERATION_TYPE_DEFINITION = 'OperationTypeDefinition',
-
-  /** Type Definitions */
-  SCALAR_TYPE_DEFINITION = 'ScalarTypeDefinition',
-  OBJECT_TYPE_DEFINITION = 'ObjectTypeDefinition',
-  FIELD_DEFINITION = 'FieldDefinition',
-  INPUT_VALUE_DEFINITION = 'InputValueDefinition',
-  INTERFACE_TYPE_DEFINITION = 'InterfaceTypeDefinition',
-  UNION_TYPE_DEFINITION = 'UnionTypeDefinition',
-  ENUM_TYPE_DEFINITION = 'EnumTypeDefinition',
-  ENUM_VALUE_DEFINITION = 'EnumValueDefinition',
-  INPUT_OBJECT_TYPE_DEFINITION = 'InputObjectTypeDefinition',
-
-  /** Directive Definitions */
-  DIRECTIVE_DEFINITION = 'DirectiveDefinition',
-
-  /** Type System Extensions */
-  SCHEMA_EXTENSION = 'SchemaExtension',
-
-  /** Type Extensions */
-  SCALAR_TYPE_EXTENSION = 'ScalarTypeExtension',
-  OBJECT_TYPE_EXTENSION = 'ObjectTypeExtension',
-  INTERFACE_TYPE_EXTENSION = 'InterfaceTypeExtension',
-  UNION_TYPE_EXTENSION = 'UnionTypeExtension',
-  ENUM_TYPE_EXTENSION = 'EnumTypeExtension',
-  INPUT_OBJECT_TYPE_EXTENSION = 'InputObjectTypeExtension',
-}
-
-export { Kind };
+export type Kind = (typeof kinds_)[keyof typeof kinds_];

src/language/kinds_.ts

@@ -0,0 +1,65 @@
+/** Name */
+export const NAME = 'Name';
+
+/** Document */
+export const DOCUMENT = 'Document';
+export const OPERATION_DEFINITION = 'OperationDefinition';
+export const VARIABLE_DEFINITION = 'VariableDefinition';
+export const SELECTION_SET = 'SelectionSet';
+export const FIELD = 'Field';
+export const ARGUMENT = 'Argument';
+export const FRAGMENT_ARGUMENT = 'FragmentArgument';
+
+/** Fragments */
+export const FRAGMENT_SPREAD = 'FragmentSpread';
+export const INLINE_FRAGMENT = 'InlineFragment';
+export const FRAGMENT_DEFINITION = 'FragmentDefinition';
+
+/** Values */
+export const VARIABLE = 'Variable';
+export const INT = 'IntValue';
+export const FLOAT = 'FloatValue';
+export const STRING = 'StringValue';
+export const BOOLEAN = 'BooleanValue';
+export const NULL = 'NullValue';
+export const ENUM = 'EnumValue';
+export const LIST = 'ListValue';
+export const OBJECT = 'ObjectValue';
+export const OBJECT_FIELD = 'ObjectField';
+
+/** Directives */
+export const DIRECTIVE = 'Directive';
+
+/** Types */
+export const NAMED_TYPE = 'NamedType';
+export const LIST_TYPE = 'ListType';
+export const NON_NULL_TYPE = 'NonNullType';
+
+/** Type System Definitions */
+export const SCHEMA_DEFINITION = 'SchemaDefinition';
+export const OPERATION_TYPE_DEFINITION = 'OperationTypeDefinition';
+
+/** Type Definitions */
+export const SCALAR_TYPE_DEFINITION = 'ScalarTypeDefinition';
+export const OBJECT_TYPE_DEFINITION = 'ObjectTypeDefinition';
+export const FIELD_DEFINITION = 'FieldDefinition';
+export const INPUT_VALUE_DEFINITION = 'InputValueDefinition';
+export const INTERFACE_TYPE_DEFINITION = 'InterfaceTypeDefinition';
+export const UNION_TYPE_DEFINITION = 'UnionTypeDefinition';
+export const ENUM_TYPE_DEFINITION = 'EnumTypeDefinition';
+export const ENUM_VALUE_DEFINITION = 'EnumValueDefinition';
+export const INPUT_OBJECT_TYPE_DEFINITION = 'InputObjectTypeDefinition';
+
+/** Directive Definitions */
+export const DIRECTIVE_DEFINITION = 'DirectiveDefinition';
+
+/** Type System Extensions */
+export const SCHEMA_EXTENSION = 'SchemaExtension';
+
+/** Type Extensions */
+export const SCALAR_TYPE_EXTENSION = 'ScalarTypeExtension';
+export const OBJECT_TYPE_EXTENSION = 'ObjectTypeExtension';
+export const INTERFACE_TYPE_EXTENSION = 'InterfaceTypeExtension';
+export const UNION_TYPE_EXTENSION = 'UnionTypeExtension';
+export const ENUM_TYPE_EXTENSION = 'EnumTypeExtension';
+export const INPUT_OBJECT_TYPE_EXTENSION = 'InputObjectTypeExtension';