From 90deb2439f0039c985c24f33f57e1c7b938145ed Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Sun, 22 May 2022 20:49:09 +0800
Subject: [PATCH] feat: using mjs entry for sub packages (#10626)

---
 packages/vant-area-data/package.json | 2 +-
 packages/vant-popperjs/package.json  | 2 +-
 packages/vant-use/build.js           | 3 ++-
 packages/vant-use/package.json       | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/vant-area-data/package.json b/packages/vant-area-data/package.json
index 83d0c64a6..0d762868e 100644
--- a/packages/vant-area-data/package.json
+++ b/packages/vant-area-data/package.json
@@ -3,7 +3,7 @@
   "version": "1.2.4",
   "description": "Vant 省市区数据",
   "main": "dist/index.cjs.js",
-  "module": "dist/index.esm.js",
+  "module": "dist/index.esm.mjs",
   "types": "dist/index.d.ts",
   "files": [
     "dist"
diff --git a/packages/vant-popperjs/package.json b/packages/vant-popperjs/package.json
index 7f9a1eac6..8d1125e3d 100644
--- a/packages/vant-popperjs/package.json
+++ b/packages/vant-popperjs/package.json
@@ -3,7 +3,7 @@
   "version": "1.1.0",
   "description": "Pre-compiled popperjs core",
   "main": "dist/index.cjs.js",
-  "module": "dist/index.esm.js",
+  "module": "dist/index.esm.mjs",
   "types": "dist/index.d.ts",
   "sideEffects": false,
   "files": [
diff --git a/packages/vant-use/build.js b/packages/vant-use/build.js
index a763c8758..2afe17ad7 100644
--- a/packages/vant-use/build.js
+++ b/packages/vant-use/build.js
@@ -1,7 +1,8 @@
 const { build } = require('esbuild');
 
 function bundleBundle(format) {
-  const outfile = `dist/index.${format}.js`;
+  const ext = format === 'esm' ? '.mjs' : '.js';
+  const outfile = `dist/index.${format}${ext}`;
   const finish = () => console.log('Build finished:', outfile);
   const onRebuild = (error) => (error ? console.log(error) : finish());
 
diff --git a/packages/vant-use/package.json b/packages/vant-use/package.json
index c0398891e..747dc56be 100644
--- a/packages/vant-use/package.json
+++ b/packages/vant-use/package.json
@@ -3,7 +3,7 @@
   "version": "1.3.6",
   "description": "Vant Composition API",
   "main": "dist/index.cjs.js",
-  "module": "dist/index.esm.js",
+  "module": "dist/index.esm.mjs",
   "typings": "dist/index.d.ts",
   "sideEffects": false,
   "files": [