update: 修改

.babelrc

 {
   "presets": [
-    ["env", {
+    ["@babel/preset-env", {
       "modules": false,
       "targets": {
         "browsers": ["> 1%", "last 2 versions", "not ie <= 8"]
       }
     }],
-    "stage-2"
-  ],
-  "plugins": ["transform-vue-jsx", "transform-runtime"]
+    "@vue/babel-preset-jsx"
+  ]
 }

.eslintrc.js

@@ -3,30 +3,20 @@
 module.exports = {
   root: true,
   parserOptions: {
-    parser: 'babel-eslint'
+    parser: '@babel/eslint-parser'
   },
   env: {
     browser: true,
     "node": true
   },
-  extends: [
-    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
-    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
-    // "standard",
-    'plugin:vue/essential',
-    // https://github.com/standard/standard/blob/master/docs/RULES-en.md
-    'plugin:prettier/recommended'
-  ],
-  // required to lint *.vue files
-  plugins: ['vue', 'prettier', 'html'],
   // add your custom rules here
   rules: {
-    'prettier/prettier': [
-      'error',
-      {
-        endOfLine: 'auto'
-      }
-    ],
+    // 'prettier/prettier': [
+    //   'error',
+    //   {
+    //     endOfLine: 'auto'
+    //   }
+    // ],
     // allow async-await
     'generator-star-spacing': 'off',
     'no-console': 0,

.postcssrc.js

@@ -4,7 +4,6 @@ module.exports = {
   "plugins": {
     "postcss-import": {},
     "postcss-url": {},
-    // to edit target browsers: use "browserslist" field in package.json
     "autoprefixer": {}
   }
 }