chore: upgrade core babel dependencies to 8

.changeset/babel-8-core-upgrade.md

@@ -0,0 +1,6 @@
+---
+"weapp-tailwindcss": major
+"@weapp-tailwindcss/babel": major
+---
+
+升级核心 Babel 解析与遍历依赖到 8.x，并适配 Babel 8 的 ESM-only 与同步 transform API 变化；同时将相关包的 Node.js 支持范围调整为 Babel 8 要求的 `^22.18.0 || >=24.11.0`。

package.json

@@ -42,7 +42,7 @@
     "gulp-plugin"
   ],
   "engines": {
-    "node": "^20.19.0 || >=22.12.0"
+    "node": "^22.18.0 || >=24.11.0"
   },
   "scripts": {
     "build": "cross-env WEAPP_TW_SKIP_INTERACTIVE_TARO_BUILD=1 WEAPP_TW_SKIP_INTERACTIVE_UNI_BUILD=1 turbo run build",
@@ -215,8 +215,8 @@
   },
   "devDependencies": {
     "@ampproject/remapping": "^2.3.0",
-    "@babel/core": "catalog:babelCore7285",
-    "@babel/generator": "~7.29.7",
+    "@babel/core": "catalog:babelCore8",
+    "@babel/generator": "^8.0.0",
     "@changesets/changelog-github": "^0.7.0",
     "@changesets/cli": "^2.31.0",
     "@commitlint/cli": "^21.0.2",

packages/babel/package.json

@@ -22,7 +22,7 @@
     "dist"
   ],
   "engines": {
-    "node": "^20.19.0 || >=22.12.0"
+    "node": "^22.18.0 || >=24.11.0"
   },
   "scripts": {
     "dev": "tsdown --watch --sourcemap",
@@ -34,9 +34,9 @@
     "lint:fix": "eslint . --fix"
   },
   "dependencies": {
-    "@babel/parser": "~7.29.7",
-    "@babel/traverse": "~7.29.7",
-    "@babel/types": "~7.29.7"
+    "@babel/parser": "^8.0.0",
+    "@babel/traverse": "^8.0.0",
+    "@babel/types": "^8.0.0"
   },
   "publishConfig": {
     "exports": {

packages/babel/test/evaluate.test.ts

@@ -1,12 +1,13 @@
-import babel from '@babel/core'
+import type { PluginItem } from '@babel/core'
+import { transformSync } from '@babel/core'
 import fs from 'fs-extra'
 import path from 'pathe'
 
 function getCase(name: string) {
   return fs.readFileSync(path.resolve(import.meta.dirname, './fixtures/evaluate', name), 'utf8')
 }
 
-const plugin: babel.PluginItem = {
+const plugin: PluginItem = {
   visitor: {
     BinaryExpression(path) {
       // 尝试计算二元表达式的常量值
@@ -68,7 +69,7 @@ const plugin: babel.PluginItem = {
 }
 describe('evaluate', () => {
   it('0.js', () => {
-    const res = babel.transform(
+    const res = transformSync(
       getCase('0.js'),
       {
         plugins: [
@@ -82,7 +83,7 @@ describe('evaluate', () => {
   })
 
   it('1.js', () => {
-    const res = babel.transform(
+    const res = transformSync(
       getCase('1.js'),
       {
         plugins: [

packages/minify-preserve/test/bundler-config.test.ts

@@ -1,4 +1,5 @@
 import type { PluginObj, PluginPass } from '@babel/core'
+import { transformAsync } from '@babel/core'
 import type { Configuration, Stats } from 'webpack'
 import { mkdtemp, readdir, readFile, rm, writeFile } from 'node:fs/promises'
 import { createRequire } from 'node:module'
@@ -235,8 +236,6 @@ async function bundleWithSwc(keepFnNames: boolean) {
   return result.code.trim()
 }
 
-const babel = require('@babel/core') as typeof import('@babel/core')
-
 interface ManglePluginOptions {
   keepNames?: boolean
 }
@@ -265,7 +264,7 @@ function babelManglePlugin(): PluginObj<BabelManglePluginState> {
 }
 
 async function bundleWithBabel(keepFnNames: boolean) {
-  const result = await babel.transformAsync(BABEL_SOURCE, {
+  const result = await transformAsync(BABEL_SOURCE, {
     configFile: false,
     babelrc: false,
     sourceType: 'module',

packages/weapp-tailwindcss/package.json

@@ -166,7 +166,7 @@
     "with-layer.css"
   ],
   "engines": {
-    "node": "^20.19.0 || >=22.12.0"
+    "node": "^22.18.0 || >=24.11.0"
   },
   "scripts": {
     "dev": "tsdown --watch --sourcemap",
@@ -202,9 +202,9 @@
   },
   "dependencies": {
     "@ast-core/escape": "~1.0.1",
-    "@babel/parser": "~7.29.7",
-    "@babel/traverse": "~7.29.7",
-    "@babel/types": "~7.29.7",
+    "@babel/parser": "^8.0.0",
+    "@babel/traverse": "^8.0.0",
+    "@babel/types": "^8.0.0",
     "@vue/compiler-dom": "catalog:vue3",
     "@weapp-core/escape": "~8.0.0",
     "@weapp-tailwindcss/logger": "workspace:*",

packages/weapp-tailwindcss/test/js/babel-utils.test.ts

@@ -1,8 +1,7 @@
 import type { NodePath } from '@babel/traverse'
 import type { CallExpression } from '@babel/types'
-import * as parser from '@babel/parser'
 import { MappingChars2String } from '@weapp-core/escape'
-import { afterEach, describe, expect, it, vi } from 'vitest'
+import { afterEach, describe, expect, it } from 'vitest'
 import { parse, traverse } from '@/babel'
 import * as babel from '@/js/babel'
 
@@ -14,13 +13,12 @@ describe('babel helpers additional coverage', () => {
 
   it('memoises parsed ASTs when parser caching is enabled', () => {
     const code = 'const value = 1'
-    const spy = vi.spyOn(parser, 'parse')
     const parserOptions = { sourceType: 'module' as const, cache: true }
     const first = babel.babelParse(code, parserOptions)
     const second = babel.babelParse(code, parserOptions)
 
-    expect(spy).toHaveBeenCalledTimes(1)
     expect(second).toBe(first)
+    expect(babel.parseCache.size).toBe(1)
   })
 
   it('uses hashed parser cache keys instead of retaining source text in keys', () => {
@@ -33,7 +31,6 @@ describe('babel helpers additional coverage', () => {
 
   it('skips parser caching for sources over the configured source length limit', () => {
     const code = 'const value = "text-red-500"'
-    const spy = vi.spyOn(parser, 'parse')
     const first = babel.babelParse(code, {
       sourceType: 'module' as const,
       cache: true,
@@ -45,14 +42,11 @@ describe('babel helpers additional coverage', () => {
       cacheMaxSourceLength: code.length - 1,
     })
 
-    expect(spy).toHaveBeenCalledTimes(2)
     expect(second).not.toBe(first)
     expect(babel.parseCache.size).toBe(0)
   })
 
   it('trims parser cache entries to the configured entry limit', () => {
-    const spy = vi.spyOn(parser, 'parse')
-
     const first = babel.babelParse('const first = 1', {
       sourceType: 'module' as const,
       cache: true,
@@ -69,19 +63,16 @@ describe('babel helpers additional coverage', () => {
       cacheMaxEntries: 1,
     })
 
-    expect(spy).toHaveBeenCalledTimes(3)
     expect(second).not.toBe(first)
     expect(third).not.toBe(first)
     expect(babel.parseCache.size).toBe(1)
   })
 
   it('does not retain parsed ASTs when parser caching is disabled', () => {
     const code = 'const value = 1'
-    const spy = vi.spyOn(parser, 'parse')
     const first = babel.babelParse(code, { sourceType: 'module' as const, cache: false })
     const second = babel.babelParse(code, { sourceType: 'module' as const, cache: false })
 
-    expect(spy).toHaveBeenCalledTimes(2)
     expect(second).not.toBe(first)
     expect(babel.parseCache.size).toBe(0)
   })