ie11兼容测试

package.json

@@ -13,6 +13,7 @@
     "axios": "^0.21.1",
     "core-js": "^3.15.2",
     "sass": "^1.35.1",
+    "vite-plugin-legacy": "^2.1.0",
     "vue": "^3.0.5",
     "vue-i18n": "^9.1.7",
     "vue-router": "^4.0.10",

vite.config.js

 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
-import babel  from '@rollup/plugin-babel';
+import legacyPlugin from 'vite-plugin-legacy'
 
 const path = require('path')
 console.log(__dirname);
@@ -11,7 +11,27 @@ function resolve_path (dir) {
 
 
 export default defineConfig({
-  plugins: [vue()],
+  plugins: [
+    vue(),
+    // The default options are listed below. Pass nothing to use them.
+    legacyPlugin({
+      // The browsers that must be supported by your legacy bundle.
+      // https://babeljs.io/docs/en/babel-preset-env#targets
+      targets: [ 'ie >= 11' ],
+      // Define which polyfills your legacy bundle needs. They will be loaded
+      // from the Polyfill.io server. See the "Polyfills" section for more info.
+      polyfills: [
+        // Empty by default
+      ],
+      // Toggles whether or not browserslist config sources are used.
+      // https://babeljs.io/docs/en/babel-preset-env#ignorebrowserslistconfig
+      ignoreBrowserslistConfig: false,
+      // When true, core-js@3 modules are inlined based on usage.
+      // When false, global namespace APIs (eg: Object.entries) are loaded
+      // from the Polyfill.io server.
+      corejs: false,
+    })
+  ],
   base:'./',
   clearScreen:false,
   resolve:{
@@ -32,20 +52,5 @@ export default defineConfig({
     outDir:'dist/zjhl',
     assetsDir:'static'
   },
-  rollupInputOptions: {
-    plugins: [
-      babel({
-        presets: [[
-          "@babel/preset-env",
-          {
-            "corejs": 2,
-            "useBuiltIns": "usage",
-            "targets": {
-              "ie": "11"
-            }
-          }
-        ]]
-      })
-    ],
-  }
+  
 })