const webpack = require('webpack')
export default {
  /*
  ** Nuxt rendering mode
  ** See https://nuxtjs.org/api/configuration-mode
  */
  mode: 'universal',
  /*
  ** Nuxt target
  ** See https://nuxtjs.org/api/configuration-target
  */
  target: 'server',
  /*
  ** Headers of the page
  ** See https://nuxtjs.org/api/configuration-head
  逻辑狗官网 - 中德智慧教育
关键词：逻辑狗官网、逻辑狗教材、逻辑狗课程、逻辑狗思维训练课程、儿童思维教育、0-12岁儿童
描述：逻辑狗官方网站，专为0-12岁儿童设计的思维训练课程，中德智慧教育，全球优质教育内容输出平台
  */
  head: {
    title: '逻辑狗官网-中德智慧教育',
    meta: [
      { name: 'renderer', content: 'webkit'},
      { name: 'force-rendering', content: 'webkit'},
      { 'http-equiv': 'X-UA-Compatible', content: 'IE=Edge,chrome=1'},
      { name: 'baidu-site-verification', content: 'mREHhDF8nW'},
      // <meta property="og:image" content="https://developer.mozilla.org/static/img/opengraph-logo.png"></meta>
      // <meta itemprop="image" content="http://example.com/image.jpg" /> 
      { property: 'image', content: "https://luojigou-app-commit-pic.luojigou.vip/FrKVMB5LmgU1Q_I_HGjoz7B8Kkdb?imageView2/0/q/50|imageslim" },
      { itemprop: 'image', content: "https://luojigou-app-commit-pic.luojigou.vip/FrKVMB5LmgU1Q_I_HGjoz7B8Kkdb?imageView2/0/q/50|imageslim" },
      { property: 'og:image', content: "https://luojigou-app-commit-pic.luojigou.vip/FrKVMB5LmgU1Q_I_HGjoz7B8Kkdb?imageView2/0/q/50|imageslim" },
      { property: 'og:url', content: "https://www.zaojiao.net" },
      { property: 'url', content: "https://www.zaojiao.net" },
      /*以上是设置双核浏览器默认状态下使用极速模式打开*/
      { charset: 'utf-8' }, 
      { hid: 'description', name: 'description', content: '中德智慧教育'},
      { hid: 'description', name: 'og:description', content: '中德智慧教育'},
      { name: 'format-detection', content: 'telephone=no' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1.0, user-scalable=no' },
      /*新增搜狗、神马、360 */
      // { name: '360-site-verification', content: '850970beabd63bd397272b6dd73a1aba' },
      // { name: 'sogou_site_verification', content: 'y3fi8ttkxP' },
      // { name: 'shenma-site-verification', content: '15230d9dfb2e66bfecf2408862f2462c_1537497601' }
    ],
    link: [
      { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' },
      { rel: 'stylesheet', href: '/common/common.css' }
    ],
    script: [
      { src: 'https://hm.baidu.com/hm.js?2a45c0311559f89f2ee65d1ac438d204' }
    ]
  },
  /*
  ** Global CSS
  */
  css: [
    'element-ui/lib/theme-chalk/index.css',
    '~assets/css/reset.css',
    '~assets/css/animate.css',
    'swiper/css/swiper.css'
  ],
  /*
  ** Plugins to load before mounting the App
  ** https://nuxtjs.org/guide/plugins
  */
  plugins: [
    { src: '@/plugins/element-ui', ssr: false },
    { src: "@/plugins/vue-swiper", ssr: false },
    { src: "@/plugins/vue-scroll-reveal", ssr: false },
    {
      src: '@/plugins/filter.js'
    },
    { src: '~/plugins/baidu.js' }
  ],
  /*
  ** Auto import components
  ** See https://nuxtjs.org/api/configuration-components
  */
  components: true,
  /*
  ** Nuxt.js dev-modules
  */
  buildModules: [
  ],
  /*
  ** Nuxt.js modules
  */
  modules: [

  ],
  /*
  ** Build configuration
  ** See https://nuxtjs.org/api/configuration-build/
  */
  build: {
    transpile: [/^element-ui/],
    extractCSS: {
      allChunks: true
    },
    
    // extractCSS: true,
    // optimization: {
    //   splitChunks: {
    //     cacheGroups: {
    //       commons: {
    //         test: /[\\/]node_modules[\\/]/,
    //         name: "vendor",
    //         chunks: "all"
    //       }
    //     }
    //   }
    // },
    vender: ['axios'],
    extend (config, { isDev, isClient }) {
      if (isDev && isClient) {
        config.module.rules.push({
          enforce: 'pre',
          test: /\.(js|vue)$/,
          loader: 'eslint-loader',
          exclude: /(node_modules)/
        })
      }
    },
    plugins: [
      new webpack.ProvidePlugin({
        '$' : 'jquery'
      })
    ]
  },
  cache: true,
  //禁止预加载效果
  performance: {
    prefetch: false
  },
}