chore: emit .d.cts files

This will allow CJS projects using "moduleResolution: node16" to import Vite.

packages/vite/index.d.cts

@@ -0,0 +1 @@
+export * from './dist/node-cjs/index.cjs'

packages/vite/package.json

@@ -13,7 +13,6 @@
   "types": "./dist/node/index.d.ts",
   "exports": {
     ".": {
-      "types": "./dist/node/index.d.ts",
       "import": "./dist/node/index.js",
       "require": "./index.cjs"
     },
@@ -46,12 +45,13 @@
     "dev": "rimraf dist && pnpm run build-bundle -w",
     "build": "rimraf dist && run-s build-bundle build-types",
     "build-bundle": "rollup --config rollup.config.ts --configPlugin typescript",
-    "build-types": "run-s build-types-temp build-types-pre-patch build-types-roll build-types-post-patch build-types-check",
+    "build-types": "run-s build-types-temp build-types-pre-patch build-types-roll build-types-post-patch build-types-check build-emit-cjs-types",
     "build-types-temp": "tsc --emitDeclarationOnly --outDir temp/node -p src/node",
     "build-types-pre-patch": "tsx scripts/prePatchTypes.ts",
     "build-types-roll": "api-extractor run && rimraf temp",
     "build-types-post-patch": "tsx scripts/postPatchTypes.ts",
     "build-types-check": "tsc --project tsconfig.check.json",
+    "build-emit-cjs-types": "tsx scripts/emitCjsTypes.ts",
     "lint": "eslint --cache --ext .ts src/**",
     "format": "prettier --write --cache --parser typescript \"src/**/*.ts\"",
     "prepublishOnly": "npm run build"

packages/vite/scripts/emitCjsTypes.ts

@@ -0,0 +1,44 @@
+import fs from 'node:fs'
+import path from 'node:path'
+import glob from 'fast-glob'
+import * as lexer from 'es-module-lexer'
+
+async function main() {
+  const typeFiles = await glob('**/*.d.ts', {
+    cwd: 'dist',
+    absolute: true
+  })
+
+  for (const file of typeFiles) {
+    let text = fs.readFileSync(file, 'utf8')
+    const [imports] = lexer.parse(text)
+    for (const i of [...imports].reverse()) {
+      let id = i.n
+      if (!id || !/^\.\.?(?:\/|$)/.test(id)) {
+        continue
+      }
+      const importedFile = path.resolve(path.dirname(file), id)
+      if (isDirectory(importedFile)) {
+        id += '/index'
+      }
+      const cjsModuleSpec = id + '.cjs'
+      text = text.slice(0, i.s) + cjsModuleSpec + text.slice(i.e)
+    }
+    const outFile = file
+      .replace('/node/', '/node-cjs/')
+      .replace(/\.ts$/, '.cts')
+    fs.mkdirSync(path.dirname(outFile), { recursive: true })
+    fs.writeFileSync(outFile, text)
+    console.log('saved', outFile)
+  }
+}
+
+function isDirectory(file: string) {
+  try {
+    return fs.statSync(file).isDirectory()
+  } catch (e) {
+    return false
+  }
+}
+
+main()