fix(nvue): move polyfill to banner

packages/uni-app-vite/src/nvue/plugins/esbuild.ts

@@ -8,6 +8,7 @@ import debug from 'debug'
 import {
   APP_CONFIG_SERVICE,
   hash,
+  polyfillCode,
   removeExt,
   transformWithEsbuild,
 } from '@dcloudio/uni-cli-shared'
@@ -40,7 +41,8 @@ export function uniEsbuildPlugin({
         target: 'es6',
         minify: config.build.minify ? true : false,
         banner: {
-          js: `"use weex:vue";`,
+          js: `"use weex:vue";
+${polyfillCode}`,
         },
         bundle: true,
         write: false,
@@ -148,9 +150,6 @@ if(webview){
   const __pagePath = '${removeExt(filename)}'
   let __pageQuery = {}
   try{ __pageQuery = JSON.parse(webview.__query__) }catch(e){}
-  if(uni.base64ToArrayBuffer){
-    ArrayBuffer = uni.base64ToArrayBuffer('').constructor
-  }
   App.mpType = 'page'
   const app = Vue.createPageApp(App,{$store:getApp({allowDefault:true}).$store,__pageId,__pagePath,__pageQuery})
   app.provide('__globalStyles', Vue.useCssStyles([...__uniConfig.styles, ...(App.styles||[])]))

packages/uni-cli-shared/src/json/app/index.ts

 export * from './pages'
 export * from './manifest'
-export { polyfillCode } from './pages/code'
+export { polyfillCode, arrayBufferCode, restoreGlobalCode } from './pages/code'

packages/uni-cli-shared/src/json/app/pages/code.ts

+export const arrayBufferCode = `
+if(typeof uni !== 'undefined' && uni.base64ToArrayBuffer){
+  ArrayBuffer = uni.base64ToArrayBuffer('').constructor
+};
+`
 export const polyfillCode = `
 if (typeof Promise !== 'undefined' && !Promise.prototype.finally) {
   Promise.prototype.finally = function(callback) {
@@ -9,10 +14,8 @@ if (typeof Promise !== 'undefined' && !Promise.prototype.finally) {
       })
     )
   }
-}
-if(uni&&uni.base64ToArrayBuffer){
-  ArrayBuffer = uni.base64ToArrayBuffer('').constructor
-}
+};
+${arrayBufferCode}
 `
 export const restoreGlobalCode = `
 if(uni.restoreGlobal){