Ship API enums without the const modifier (#4243)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jakebailey <5341706+jakebailey@users.noreply.github.com>

Author: Copilot

Herebyfile.mjs

@@ -304,7 +304,6 @@ export const generate = task({
  *   goPrefix: string;
  *   goFile: string;
  *   outDir: string;
- *   constEnum?: boolean;
  * }} EnumDef
  */
 
@@ -322,7 +321,7 @@ const enumDefs = [
     { name: "NodeFlags", goPrefix: "NodeFlags", goFile: "internal/ast/nodeflags.go", outDir: "_packages/native-preview/src/enums" },
     { name: "OuterExpressionKinds", goPrefix: "OEK", goFile: "internal/ast/utilities.go", outDir: "_packages/native-preview/src/enums" },
     { name: "ModifierFlags", goPrefix: "ModifierFlags", goFile: "internal/ast/modifierflags.go", outDir: "_packages/native-preview/src/enums" },
-    { name: "TokenFlags", goPrefix: "TokenFlags", goFile: "internal/ast/tokenflags.go", outDir: "_packages/native-preview/src/enums", constEnum: true },
+    { name: "TokenFlags", goPrefix: "TokenFlags", goFile: "internal/ast/tokenflags.go", outDir: "_packages/native-preview/src/enums" },
     { name: "NodeBuilderFlags", goPrefix: "Flags", goFile: "internal/nodebuilder/types.go", outDir: "_packages/native-preview/src/enums" },
 ];
 
@@ -442,9 +441,8 @@ function topoSortMembers(members) {
 function renderEnumTS(def, members) {
     const header = `// Code generated by Herebyfile.mjs generate:enums from ${def.goFile}. DO NOT EDIT.\n\n`;
 
-    const constKeyword = def.constEnum ? "const " : "";
     const lines = members.map(m => `    ${m.name} = ${m.value},`);
-    return `${header}export ${constKeyword}enum ${def.name} {\n${lines.join("\n")}\n}\n`;
+    return `${header}export enum ${def.name} {\n${lines.join("\n")}\n}\n`;
 }
 
 async function runGenerateEnums() {

_packages/native-preview/src/enums/characterCodes.enum.ts

@@ -1,4 +1,4 @@
-export const enum CharacterCodes {
+export enum CharacterCodes {
     EOF = -1,
     nullCharacter = 0,
     maxAsciiCharacter = 0x7F,

_packages/native-preview/src/enums/commentDirectiveType.enum.ts

@@ -1,4 +1,4 @@
-export const enum CommentDirectiveType {
+export enum CommentDirectiveType {
     ExpectError = 0,
     Ignore = 1,
 }

_packages/native-preview/src/enums/languageVariant.enum.ts

@@ -1,4 +1,4 @@
-export const enum LanguageVariant {
+export enum LanguageVariant {
     Standard = 0,
     JSX = 1,
 }

_packages/native-preview/src/enums/regularExpressionFlags.enum.ts

@@ -1,4 +1,4 @@
-export const enum RegularExpressionFlags {
+export enum RegularExpressionFlags {
     None = 0,
     HasIndices = 1 << 0,
     Global = 1 << 1,

_packages/native-preview/src/enums/scriptKind.enum.ts

@@ -1,4 +1,4 @@
-export const enum ScriptKind {
+export enum ScriptKind {
     Unknown = 0,
     JS = 1,
     JSX = 2,

_packages/native-preview/src/enums/scriptTarget.enum.ts

@@ -1,4 +1,4 @@
-export const enum ScriptTarget {
+export enum ScriptTarget {
     ES2015 = 2,
     ES2016 = 3,
     ES2017 = 4,

_packages/native-preview/src/enums/tokenFlags.enum.ts

@@ -1,6 +1,6 @@
 // Code generated by Herebyfile.mjs generate:enums from internal/ast/tokenflags.go. DO NOT EDIT.
 
-export const enum TokenFlags {
+export enum TokenFlags {
     None = 0,
     PrecedingLineBreak = 1 << 0,
     PrecedingJSDocComment = 1 << 1,