fix(mp-alipay): add terserOptions only for production

packages/uni-mp-alipay/dist/uni.compiler.js

 'use strict';
 
 var initMiniProgramPlugin = require('@dcloudio/uni-mp-vite');
+var shared = require('@vue/shared');
 var path = require('path');
 var uniCliShared = require('@dcloudio/uni-cli-shared');
 var compilerCore = require('@vue/compiler-core');
-var shared = require('@vue/shared');
 
 function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
@@ -249,17 +249,20 @@ const options = {
 const uniMiniProgramAlipayPlugin = {
     name: 'uni:mp-alipay',
     config() {
+        const buildOptions = {};
+        if (process.env.NODE_ENV === 'production') {
+            buildOptions.terserOptions = {
+                compress: false,
+                mangle: false,
+            };
+        }
         return {
             define: {
                 __VUE_CREATED_DEFERRED__: false,
             },
-            build: {
+            build: shared.extend({
                 assetsInlineLimit: 0,
-                terserOptions: {
-                    compress: false,
-                    mangle: false,
-                },
-            },
+            }, buildOptions),
         };
     },
 };

packages/uni-mp-alipay/src/compiler/index.ts

-import type { Plugin } from 'vite'
+import type { Plugin, UserConfig } from 'vite'
 import initMiniProgramPlugin from '@dcloudio/uni-mp-vite'
-
+import { extend } from '@vue/shared'
 import { options } from './options'
 
 const uniMiniProgramAlipayPlugin: Plugin = {
   name: 'uni:mp-alipay',
   config() {
+    const buildOptions: UserConfig['build'] = {}
+    if (process.env.NODE_ENV === 'production') {
+      buildOptions.terserOptions = {
+        compress: false,
+        mangle: false,
+      }
+    }
     return {
       define: {
         __VUE_CREATED_DEFERRED__: false,
       },
-      build: {
-        assetsInlineLimit: 0,
-        terserOptions: {
-          compress: false,
-          mangle: false,
+      build: extend(
+        {
+          assetsInlineLimit: 0,
         },
-      },
+        buildOptions
+      ),
     }
   },
 }