vuejs · yangmingshan · Sep 21, 2023
diff --git a/packages/compiler-core/src/ast.ts b/packages/compiler-core/src/ast.ts
@@ -21,11 +21,11 @@ import { ImportItem, TransformContext } from './transform'
 // compilers.
 export type Namespace = number
 
-export const enum Namespaces {
+export enum Namespaces {
   HTML
 }
 
-export const enum NodeTypes {
+export enum NodeTypes {
   ROOT,
   ELEMENT,
   TEXT,
@@ -59,7 +59,7 @@ export const enum NodeTypes {
   JS_RETURN_STATEMENT
 }
 
-export const enum ElementTypes {
+export enum ElementTypes {
   ELEMENT,
   COMPONENT,
   SLOT,
@@ -202,7 +202,7 @@ export interface DirectiveNode extends Node {
  * Higher levels implies lower levels. e.g. a node that can be stringified
  * can always be hoisted and skipped for patch.
  */
-export const enum ConstantTypes {
+export enum ConstantTypes {
   NOT_CONSTANT = 0,
   CAN_SKIP_PATCH,
   CAN_HOIST,

diff --git a/packages/compiler-core/src/compat/compatConfig.ts b/packages/compiler-core/src/compat/compatConfig.ts
@@ -13,7 +13,7 @@ export interface CompilerCompatOptions {
   compatConfig?: CompilerCompatConfig
 }
 
-export const enum CompilerDeprecationTypes {
+export enum CompilerDeprecationTypes {
   COMPILER_IS_ON_ELEMENT = 'COMPILER_IS_ON_ELEMENT',
   COMPILER_V_BIND_SYNC = 'COMPILER_V_BIND_SYNC',
   COMPILER_V_BIND_PROP = 'COMPILER_V_BIND_PROP',

diff --git a/packages/compiler-core/src/errors.ts b/packages/compiler-core/src/errors.ts
@@ -37,7 +37,7 @@ export function createCompilerError<T extends number>(
   return error
 }
 
-export const enum ErrorCodes {
+export enum ErrorCodes {
   // parse errors
   ABRUPT_CLOSING_OF_EMPTY_COMMENT,
   CDATA_IN_HTML_CONTENT,

diff --git a/packages/compiler-core/src/options.ts b/packages/compiler-core/src/options.ts
@@ -73,7 +73,7 @@ export type HoistTransform = (
   parent: ParentNode
 ) => void
 
-export const enum BindingTypes {
+export enum BindingTypes {
   /**
    * returned from data()
    */

diff --git a/packages/compiler-core/src/parse.ts b/packages/compiler-core/src/parse.ts
@@ -80,7 +80,7 @@ export const defaultParserOptions: MergedParserOptions = {
   comments: __DEV__
 }
 
-export const enum TextModes {
+export enum TextModes {
   //          | Elements | Entities | End sign              | Inside of
   DATA, //    | ✔        | ✔        | End tags of ancestors |
   RCDATA, //  | ✘        | ✔        | End tag of the parent | <textarea>
@@ -502,7 +502,7 @@ function parseElement(
   return element
 }
 
-const enum TagType {
+enum TagType {
   Start,
   End
 }

diff --git a/packages/compiler-core/src/utils.ts b/packages/compiler-core/src/utils.ts
@@ -64,7 +64,7 @@ const nonIdentifierRE = /^\d|[^\$\w]/
 export const isSimpleIdentifier = (name: string): boolean =>
   !nonIdentifierRE.test(name)
 
-const enum MemberExpLexState {
+enum MemberExpLexState {
   inMemberExp,
   inBrackets,
   inParens,

diff --git a/packages/compiler-dom/src/errors.ts b/packages/compiler-dom/src/errors.ts
@@ -20,7 +20,7 @@ export function createDOMCompilerError(
   ) as DOMCompilerError
 }
 
-export const enum DOMErrorCodes {
+export enum DOMErrorCodes {
   X_V_HTML_NO_EXPRESSION = 53 /* ErrorCodes.__EXTEND_POINT__ */,
   X_V_HTML_WITH_CHILDREN,
   X_V_TEXT_NO_EXPRESSION,
@@ -36,7 +36,7 @@ export const enum DOMErrorCodes {
 }
 
 if (__TEST__) {
-  // esbuild cannot infer const enum increments if first value is from another
+  // esbuild cannot infer enum increments if first value is from another
   // file, so we have to manually keep them in sync. this check ensures it
   // errors out if there are collisions.
   if (DOMErrorCodes.X_V_HTML_NO_EXPRESSION < ErrorCodes.__EXTEND_POINT__) {

diff --git a/packages/compiler-dom/src/parserOptions.ts b/packages/compiler-dom/src/parserOptions.ts
@@ -15,7 +15,7 @@ const isRawTextContainer = /*#__PURE__*/ makeMap(
   true
 )
 
-export const enum DOMNamespaces {
+export enum DOMNamespaces {
   HTML = 0 /* Namespaces.HTML */,
   SVG,
   MATH_ML

diff --git a/packages/compiler-dom/src/transforms/stringifyStatic.ts b/packages/compiler-dom/src/transforms/stringifyStatic.ts
@@ -33,7 +33,7 @@ import {
 } from '@vue/shared'
 import { DOMNamespaces } from '../parserOptions'
 
-export const enum StringifyThresholds {
+export enum StringifyThresholds {
   ELEMENT_WITH_BINDING_COUNT = 5,
   NODE_COUNT = 20
 }

diff --git a/packages/compiler-sfc/src/style/cssVars.ts b/packages/compiler-sfc/src/style/cssVars.ts
@@ -70,7 +70,7 @@ export function parseCssVars(sfc: SFCDescriptor): string[] {
   return vars
 }
 
-const enum LexerState {
+enum LexerState {
   inParens,
   inSingleQuoteString,
   inDoubleQuoteString

diff --git a/packages/compiler-ssr/src/errors.ts b/packages/compiler-ssr/src/errors.ts
@@ -16,14 +16,14 @@ export function createSSRCompilerError(
   return createCompilerError(code, loc, SSRErrorMessages) as SSRCompilerError
 }
 
-export const enum SSRErrorCodes {
+export enum SSRErrorCodes {
   X_SSR_UNSAFE_ATTR_NAME = 65 /* DOMErrorCodes.__EXTEND_POINT__ */,
   X_SSR_NO_TELEPORT_TARGET,
   X_SSR_INVALID_AST_NODE
 }
 
 if (__TEST__) {
-  // esbuild cannot infer const enum increments if first value is from another
+  // esbuild cannot infer enum increments if first value is from another
   // file, so we have to manually keep them in sync. this check ensures it
   // errors out if there are collisions.
   if (SSRErrorCodes.X_SSR_UNSAFE_ATTR_NAME < DOMErrorCodes.__EXTEND_POINT__) {

diff --git a/packages/reactivity/src/index.ts b/packages/reactivity/src/index.ts
@@ -31,7 +31,7 @@ export {
   shallowReadonly,
   markRaw,
   toRaw,
-  ReactiveFlags /* @remove */,
+  ReactiveFlags,
   type Raw,
   type DeepReadonly,
   type ShallowReactive,
@@ -69,7 +69,4 @@ export {
   getCurrentScope,
   onScopeDispose
 } from './effectScope'
-export {
-  TrackOpTypes /* @remove */,
-  TriggerOpTypes /* @remove */
-} from './operations'
+export { TrackOpTypes, TriggerOpTypes } from './operations'
diff --git a/packages/reactivity/src/operations.ts b/packages/reactivity/src/operations.ts
@@ -1,13 +1,13 @@
 // using literal strings instead of numbers so that it's easier to inspect
 // debugger events
 
-export const enum TrackOpTypes {
+export enum TrackOpTypes {
   GET = 'get',
   HAS = 'has',
   ITERATE = 'iterate'
 }
 
-export const enum TriggerOpTypes {
+export enum TriggerOpTypes {
   SET = 'set',
   ADD = 'add',
   DELETE = 'delete',

diff --git a/packages/reactivity/src/reactive.ts b/packages/reactivity/src/reactive.ts
@@ -13,7 +13,7 @@ import {
 } from './collectionHandlers'
 import type { UnwrapRefSimple, Ref, RawSymbol } from './ref'
 
-export const enum ReactiveFlags {
+export enum ReactiveFlags {
   SKIP = '__v_skip',
   IS_REACTIVE = '__v_isReactive',
   IS_READONLY = '__v_isReadonly',
@@ -34,7 +34,7 @@ export const shallowReactiveMap = new WeakMap<Target, any>()
 export const readonlyMap = new WeakMap<Target, any>()
 export const shallowReadonlyMap = new WeakMap<Target, any>()
 
-const enum TargetType {
+enum TargetType {
   INVALID = 0,
   COMMON = 1,
   COLLECTION = 2

diff --git a/packages/runtime-core/src/compat/compatConfig.ts b/packages/runtime-core/src/compat/compatConfig.ts
@@ -10,7 +10,7 @@ import {
 } from '../component'
 import { warn } from '../warning'
 
-export const enum DeprecationTypes {
+export enum DeprecationTypes {
   GLOBAL_MOUNT = 'GLOBAL_MOUNT',
   GLOBAL_MOUNT_CONTAINER = 'GLOBAL_MOUNT_CONTAINER',
   GLOBAL_EXTEND = 'GLOBAL_EXTEND',

diff --git a/packages/runtime-core/src/componentOptions.ts b/packages/runtime-core/src/componentOptions.ts
@@ -586,7 +586,7 @@ export type OptionTypesType<
   Defaults: Defaults
 }
 
-const enum OptionTypes {
+enum OptionTypes {
   PROPS = 'Props',
   DATA = 'Data',
   COMPUTED = 'Computed',

diff --git a/packages/runtime-core/src/componentProps.ts b/packages/runtime-core/src/componentProps.ts
@@ -164,7 +164,7 @@ export type ExtractPublicPropTypes<O> = {
   [K in keyof Pick<O, PublicOptionalKeys<O>>]?: InferPropType<O[K]>
 }
 
-const enum BooleanFlags {
+enum BooleanFlags {
   shouldCast,
   shouldCastTrue
 }

diff --git a/packages/runtime-core/src/componentPublicInstance.ts b/packages/runtime-core/src/componentPublicInstance.ts
@@ -278,7 +278,7 @@ if (__COMPAT__) {
   installCompatInstanceProperties(publicPropertiesMap)
 }
 
-const enum AccessTypes {
+enum AccessTypes {
   OTHER,
   SETUP,
   DATA,

diff --git a/packages/runtime-core/src/components/Teleport.ts b/packages/runtime-core/src/components/Teleport.ts
@@ -269,7 +269,7 @@ export const TeleportImpl = {
   hydrate: hydrateTeleport
 }
 
-export const enum TeleportMoveTypes {
+export enum TeleportMoveTypes {
   TARGET_CHANGE,
   TOGGLE, // enable / disable
   REORDER // moved in the main view

diff --git a/packages/runtime-core/src/devtools.ts b/packages/runtime-core/src/devtools.ts
@@ -10,7 +10,7 @@ interface AppRecord {
   types: Record<string, string | Symbol>
 }
 
-const enum DevtoolsHooks {
+enum DevtoolsHooks {
   APP_INIT = 'app:init',
   APP_UNMOUNT = 'app:unmount',
   COMPONENT_UPDATED = 'component:updated',

diff --git a/packages/runtime-core/src/enums.ts b/packages/runtime-core/src/enums.ts
@@ -1,4 +1,4 @@
-export const enum LifecycleHooks {
+export enum LifecycleHooks {
   BEFORE_CREATE = 'bc',
   CREATED = 'c',
   BEFORE_MOUNT = 'bm',

diff --git a/packages/runtime-core/src/errorHandling.ts b/packages/runtime-core/src/errorHandling.ts
@@ -6,7 +6,7 @@ import { LifecycleHooks } from './enums'
 
 // contexts where user provided function may be executed, in addition to
 // lifecycle hooks.
-export const enum ErrorCodes {
+export enum ErrorCodes {
   SETUP_FUNCTION,
   RENDER_FUNCTION,
   WATCH_GETTER,

diff --git a/packages/runtime-core/src/hydration.ts b/packages/runtime-core/src/hydration.ts
@@ -30,7 +30,7 @@ export type RootHydrateFunction = (
   container: (Element | ShadowRoot) & { _vnode?: VNode }
 ) => void
 
-const enum DOMNodeTypes {
+enum DOMNodeTypes {
   ELEMENT = 1,
   TEXT = 3,
   COMMENT = 8

diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
@@ -264,7 +264,7 @@ export type SetupRenderEffectFn = (
   optimized: boolean
 ) => void
 
-export const enum MoveType {
+export enum MoveType {
   ENTER,
   LEAVE,
   REORDER

diff --git a/packages/runtime-test/src/nodeOps.ts b/packages/runtime-test/src/nodeOps.ts
@@ -1,12 +1,12 @@
 import { markRaw } from '@vue/reactivity'
 
-export const enum TestNodeTypes {
+export enum TestNodeTypes {
   TEXT = 'text',
   ELEMENT = 'element',
   COMMENT = 'comment'
 }
 
-export const enum NodeOpTypes {
+export enum NodeOpTypes {
   CREATE = 'create',
   INSERT = 'insert',
   REMOVE = 'remove',

diff --git a/packages/shared/src/patchFlags.ts b/packages/shared/src/patchFlags.ts
@@ -16,7 +16,7 @@
  * Check the `patchElement` function in '../../runtime-core/src/renderer.ts' to see how the
  * flags are handled during diff.
  */
-export const enum PatchFlags {
+export enum PatchFlags {
   /**
    * Indicates an element with dynamic textContent (children fast path)
    */

diff --git a/packages/shared/src/shapeFlags.ts b/packages/shared/src/shapeFlags.ts
@@ -1,4 +1,4 @@
-export const enum ShapeFlags {
+export enum ShapeFlags {
   ELEMENT = 1,
   FUNCTIONAL_COMPONENT = 1 << 1,
   STATEFUL_COMPONENT = 1 << 2,

diff --git a/packages/shared/src/slotFlags.ts b/packages/shared/src/slotFlags.ts
@@ -1,4 +1,4 @@
-export const enum SlotFlags {
+export enum SlotFlags {
   /**
    * Stable slots that only reference slot props or context state. The slot
    * can fully capture its own dependencies so when passed down the parent won't

diff --git a/packages/vue/macros.d.ts b/packages/vue/macros.d.ts
@@ -10,7 +10,7 @@ import {
 
 export declare const RefType: unique symbol
 
-export declare const enum RefTypes {
+export declare enum RefTypes {
   Ref = 1,
   ComputedRef = 2,
   WritableComputedRef = 3

diff --git a/rollup.config.js b/rollup.config.js
@@ -12,7 +12,7 @@ import terser from '@rollup/plugin-terser'
 import esbuild from 'rollup-plugin-esbuild'
 import alias from '@rollup/plugin-alias'
 import { entries } from './scripts/aliases.js'
-import { constEnum } from './scripts/const-enum.js'
+import { enums } from './scripts/enum.js'
 
 if (!process.env.TARGET) {
   throw new Error('TARGET package must be specified via --environment flag.')
@@ -32,7 +32,7 @@ const pkg = require(resolve(`package.json`))
 const packageOptions = pkg.buildOptions || {}
 const name = packageOptions.filename || path.basename(packageDir)
 
-const [enumPlugin, enumDefines] = constEnum()
+const enumDefines = enums()
 
 const outputConfigs = {
   'esm-bundler': {
@@ -285,7 +285,6 @@ function createConfig(format, output, plugins = []) {
       alias({
         entries
       }),
-      enumPlugin,
       ...resolveReplace(),
       esbuild({
         tsconfig: path.resolve(__dirname, 'tsconfig.json'),

diff --git a/scripts/build.js b/scripts/build.js
@@ -17,7 +17,7 @@ nr build core --formats cjs
 */
 
 import fs from 'node:fs/promises'
-import { existsSync, readFileSync } from 'node:fs'
+import { existsSync } from 'node:fs'
 import path from 'node:path'
 import minimist from 'minimist'
 import { gzipSync, brotliCompressSync } from 'node:zlib'
@@ -26,7 +26,7 @@ import { execa, execaSync } from 'execa'
 import { cpus } from 'node:os'
 import { createRequire } from 'node:module'
 import { targets as allTargets, fuzzyMatchTarget } from './utils.js'
-import { scanEnums } from './const-enum.js'
+import { scanEnums } from './enum.js'
 import prettyBytes from 'pretty-bytes'
 
 const require = createRequire(import.meta.url)
-Original file line number
+Diff line change
@@ Expand Up / @@ -15,7 +15,7 @@ const isRawTextContainer = /*#__PURE__*/ makeMap( @@
       true
     )
-    export const enum DOMNamespaces {
+    export enum DOMNamespaces {
       HTML = 0 /* Namespaces.HTML */,
       SVG,
       MATH_ML
@@ Expand Down @@