vue项目报错无法启动

Question

刚开始的报错：似乎是说babel的问题，被弃用了。
App.vue{ parser: "babylon" } is deprecated; we now treat it as { parser: "babel" }.
然后我百度到处搜答案，安装了 Prettier

结果又报其他错：删除##### Prettier还说一样的报错：

`D:softnodejsnode.exe D:softnodejsnode_modulesnpmbinnpm-cli.js run start --scripts-prepend-node-path=auto

start@1.0.0 start D:WebstormProjectsvuejslearnstart
npm run dev

start@1.0.0 dev D:WebstormProjectsvuejslearnstart
webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

94% asset optimization

ERROR Failed to compile with 3 errors 14:57:27

error in ./src/App.vue

Module build failed: ReferenceError: isProdbabylonn is not defined

at Object.module.exports (D:\WebstormProjects\vuejslearn\start\node_modules\vue-loader\lib\template-compiler\index.js:79:5)

@ ./src/App.vue 7:0-354
@ ./src/main.js
@ multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js

error in ./src/components/HelloWorld.vue

Module build failed: ReferenceError: isProdbabylonn is not defined

at Object.module.exports (D:\WebstormProjects\vuejslearn\start\node_modules\vue-loader\lib\template-compiler\index.js:79:5)

@ ./src/components/HelloWorld.vue 11:0-366
@ ./src/router/index.js
@ ./src/main.js
@ multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js

error
`