No parser and no file path given, couldn't infer a parser.

解决方法：

先npm install --save-dev prettier@1.12.0

再npm run dev

错误如下：

error 

in ./src/App.vue

Module build failed: Error: No parser and no file path given, couldn't infer a parser.

at normalize (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:7051:13)
at formatWithCursor (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:10370:12)
at F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:31115:15
at Object.format (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:31134:12)
at Object.module.exports (F:\WebStormProjects\a9043-blog-mobile\node_modules\vue-loader\lib\template-compiler\index.js:80:23)

@ ./src/App.vue 11:0-354
@ ./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: Error: No parser and no file path given, couldn't infer a parser.

at normalize (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:7051:13)
at formatWithCursor (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:10370:12)
at F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:31115:15
at Object.format (F:\WebStormProjects\a9043-blog-mobile\node_modules\prettier\index.js:31134:12)
at Object.module.exports (F:\WebStormProjects\a9043-blog-mobile\node_modules\vue-loader\lib\template-compiler\index.js:80:23)

@ ./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