fix(nuxt): improve cjs support

Author: antfu

packages/nuxt/index.cjs

@@ -0,0 +1,6 @@
+// CommonJS proxy to bypass jiti transforms from nuxt 2 and using native ESM
+module.exports = function(...args) {
+  return import('./dist/index.mjs').then(m => m.default.call(this, ...args))
+}
+
+module.exports.meta = require('./package.json')

packages/nuxt/package.json

@@ -23,15 +23,16 @@
   "sideEffects": false,
   "exports": {
     ".": {
-      "require": "./dist/index.js",
+      "require": "./index.cjs",
       "import": "./dist/index.mjs"
     }
   },
-  "main": "dist/index.js",
-  "module": "dist/index.mjs",
-  "types": "dist/index.d.ts",
+  "main": "./index.cjs",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
   "files": [
-    "dist"
+    "dist",
+    "index.cjs"
   ],
   "scripts": {
     "build": "tsup",

packages/nuxt/tsup.config.ts

@@ -2,7 +2,7 @@ import { Options } from 'tsup'
 
 const config: Options = {
   splitting: false,
-  format: ['esm', 'cjs'],
+  format: ['esm'],
   entryPoints: [
     'src/index.ts',
   ],