title: Nuxt Error: Syntax Unexpected token export after installation
body: <p>I am using Nuxt for my Vue project, It was working fine. I deleted my yarn and NPM cache due to other project issues. I re-installed the packages for my Nuxt app. The app is Universal and Uses express. Installation and Dev server is running, but when I try to visit <code>http://localhost:3000/</code>, </p>
  
  <p>The error: </p>
  
  <blockquote>
    <p>SyntaxError: Unexpected token export, shows up every time.</p>
  </blockquote>
  
  <p>I know this is babel issue but I don't how to resolve this issue on Nuxt.</p>
  
  <p>Nuxt Configuration:</p>
  
  <pre><code>const pkg = require('./package')
  
  module.exports = {
    mode: 'universal',
  
    /*
    ** Headers of the page
    */
    head: {
      title: pkg.name,
      meta: [
        { charset: 'utf-8' },
        { name: 'viewport', content: 'width=device-width, initial-scale=1' },
        { hid: 'description', name: 'description', content: pkg.description }
      ],
      link: [
        { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }
      ]
    },
  
    /*
    ** Customize the progress-bar color
    */
    loading: { color: '#fff' },
  
    /*
    ** Global CSS
    */
    css: [
      'element-ui/lib/theme-chalk/index.css',
      '@mdi/font/css/materialdesignicons.min.css'
    ],
  
    /*
    ** Plugins to load before mounting the App
    */
    plugins: [
      '@/plugins/element-ui',
      '~/plugins/vee-validate.js'
    ],
  
    /*
    ** Nuxt.js modules
    */
    modules: [
      // Doc: https://github.com/nuxt-community/axios-module#usage
      '@nuxtjs/axios',
      '@nuxtjs/apollo'
    ],
    apollo: {
      tokenName: 'yourApolloTokenName', // optional, default: apollo-token
      tokenExpires: 10, // optional, default: 7
      includeNodeModules: true, // optional, default: false (this includes graphql-tag for node_modules folder)
      authenticationType: 'Basic', // optional, default: 'Bearer'
      // optional
      errorHandler (error) {
        console.log('%cError', 'background: red; color: white; padding: 2px 4px; border-radius: 3px; font-weight: bold;', error.message)
      },
      // required
      clientConfigs: {
        default: {
          // required  
          httpEndpoint: 'http://localhost:4000',
          // optional
          // See https://www.apollographql.com/docs/link/links/http.html#options
          httpLinkOptions: {
            credentials: 'same-origin'
          },
          // You can use `wss` for secure connection (recommended in production)
          // Use `null` to disable subscriptions
          wsEndpoint: null, // optional
          // LocalStorage token
          tokenName: 'apollo-token', // optional
          // Enable Automatic Query persisting with Apollo Engine
          persisting: false, // Optional
          // Use websockets for everything (no HTTP)
          // You need to pass a `wsEndpoint` for this to work
          websocketsOnly: false // Optional
        },
        test: {
          httpEndpoint: 'http://localhost:5000',
          wsEndpoint: 'ws://localhost:5000',
          tokenName: 'apollo-token'
        },
        // alternative: user path to config which returns exact same config options
      }
    },
    /*
    ** Axios module configuration
    */
    axios: {
      // See https://github.com/nuxt-community/axios-module#options
    },
  
    /*
    ** Build configuration
    */
    build: {
      /*
      ** You can extend webpack config here
      */
      extend(config, ctx) {
  
      }
    }
  }
  </code></pre>
  
  <p>My <code>package.json</code> file</p>
  
  <pre><code>{
    "name": "app",
    "version": "1.0.0",
    "description": "My exceptional Nuxt.js project",
    "author": "Saima",
    "private": true,
    "scripts": {
      "dev": "cross-env NODE_ENV=development nodemon server/index.js --watch server",
      "build": "nuxt build",
      "start": "cross-env NODE_ENV=production node server/index.js",
      "generate": "nuxt generate"
    },
    "dependencies": {
      "@mdi/font": "^3.3.92",
      "@nuxtjs/apollo": "^4.0.0-rc2.3",
      "@nuxtjs/axios": "^5.0.0",
      "cross-env": "^5.2.0",
      "element-ui": "^2.4.6",
      "express": "^4.16.3",
      "graphql-tag": "^2.10.1",
      "less": "^3.9.0",
      "less-loader": "^4.1.0",
      "nuxt": "^2.0.0",
      "vee-validate": "^2.1.5"
    },
    "devDependencies": {
      "babel-preset-env": "^1.7.0",
      "babel-register": "^6.26.0",
      "nodemon": "^1.11.0"
    }
  }
  </code></pre>
  
  <p>Help would be appreciated.</p>