feat: generate entry file for nuxt3 (#9970)

packages/vant-cli/src/compiler/compile-bundles.ts

@@ -1,8 +1,33 @@
+import fse from 'fs-extra';
+import { join } from 'path';
 import { build } from 'vite';
-import { getPackageJson } from '../common/constant.js';
+import { getPackageJson, getVantConfig, LIB_DIR } from '../common/constant.js';
 import { mergeCustomViteConfig } from '../common/index.js';
 import { getViteConfigForPackage } from '../config/vite.package.js';
 
+// generate entry file for nuxt
+async function genEntryForSSR() {
+  const { name } = getVantConfig();
+  const cjsPath = join(LIB_DIR, 'ssr.js');
+  const mjsPath = join(LIB_DIR, 'ssr.mjs');
+
+  const cjsContent = `'use strict';
+
+if (process.env.NODE_ENV === 'production') {
+  module.exports = require('./dist/${name}.cjs.min.js');
+} else {
+  module.exports = require('./dist/${name}.cjs.js');
+};
+`;
+
+  const mjsContent = `export * from './index.js';\n`;
+
+  return Promise.all([
+    fse.outputFile(cjsPath, cjsContent),
+    fse.outputFile(mjsPath, mjsContent),
+  ]);
+}
+
 export async function compileBundles() {
   const dependencies = getPackageJson().dependencies || {};
   const externals = Object.keys(dependencies);
@@ -39,4 +64,5 @@ export async function compileBundles() {
   await Promise.all(
     configs.map((config) => build(mergeCustomViteConfig(config)))
   );
+  await genEntryForSSR();
 }

packages/vant/package.json

@@ -10,6 +10,10 @@
   "jsdelivr": "lib/vant.min.js",
   "exports": {
     ".": {
+      "node": {
+        "import": "./lib/ssr.mjs",
+        "require": "./lib/ssr.js"
+      },
       "import": "./lib/vant.es.js",
       "require": "./lib/vant.cjs.js",
       "types": "./lib/index.d.ts"