convert $Values (flow) to keyof (TS)

Author: saihaj

src/language/directiveLocation.ts

@@ -28,4 +28,4 @@ export const DirectiveLocation = Object.freeze({
 /**
  * The enum type representing the directive location values.
  */
-export type DirectiveLocationEnum = $Values<typeof DirectiveLocation>;
+export type DirectiveLocationEnum = typeof DirectiveLocation[keyof typeof DirectiveLocation];

src/language/kinds.ts

@@ -71,4 +71,4 @@ export const Kind = Object.freeze({
 /**
  * The enum type representing the possible kind values of AST nodes.
  */
-export type KindEnum = $Values<typeof Kind>;
+export type KindEnum = typeof Kind[keyof typeof Kind];

src/language/tokenKind.ts

@@ -30,4 +30,4 @@ export const TokenKind = Object.freeze({
 /**
  * The enum type representing the token kinds values.
  */
-export type TokenKindEnum = $Values<typeof TokenKind>;
+export type TokenKindEnum = typeof TokenKind[keyof typeof TokenKind];

src/language/visitor.ts

@@ -9,7 +9,7 @@ import { isNode } from './ast';
  * relevant functions to be called during the visitor's traversal.
  */
 export type ASTVisitor = Visitor<ASTKindToNode>;
-export type Visitor<KindToNode, Nodes = $Values<KindToNode>> =
+export type Visitor<KindToNode, Nodes = KindToNode[keyof KindToNode]> =
   | EnterLeave<
       | VisitFn<Nodes>
       | ShapeMap<KindToNode, <Node>(Node) => VisitFn<Nodes, Node>>