/**
 * @Author: Caven
 * @Date: 2018-12-15 00:33:19
 */

'use strict'
const path = require('path')

const CopyWebpackPlugin = require('copy-webpack-plugin')
const CompressionPlugin = require('compression-webpack-plugin')
const dtSdk = './node_modules/dt-sdk'

let resolve = dir => {
  return path.resolve(__dirname, dir)
}

module.exports = {
  lintOnSave: false,
  publicPath: './',
  productionSourceMap: false,
  configureWebpack: {
    module: {
      unknownContextCritical: false
    },
    resolve: {
      alias: {
        '@': resolve('src'),
        '@public': resolve('public')
      }
    },
    performance: {
      hints: false
    },
    // optimization:{
    //   runtimeChunk: 'single',
    //   // 分离 js
    //   splitChunks: {
    //     chunks: 'all',
    //     maxInitialRequests: Infinity,
    //     minSize: 20000,
    //     cacheGroups: {
    //       vendor: {
    //         test: /[\\/]node_modules[\\/]/,
    //         name (module) {
    //           // get the name. E.g. node_modules/packageName/not/this/part.js
    //           // or node_modules/packageName
    //           const packageName = module.context.match(/[\\/]node_modules[\\/](.*?)([\\/]|$)/)[1]
    //           // npm package names are URL-safe, but some servers don't like @ symbols
    //           return `npm.${packageName.replace('@', '')}`
    //         }
    //       }
    //     }
    //   }
    // },
    plugins: [
      // // 压缩成 .gz 文件
      new CompressionPlugin({
        filename: '[path][base].gz',
        algorithm: 'gzip',
        test: /\.js$|\.css$|\.html$/,
        threshold: 10240,
        minRatio: 0.8
      })
      // 压缩成 .br 文件，如果 zlib 报错无法解决，可以注释这段使用代码，一般本地没问题，需要注意线上服务器会可能发生找不到 zlib 的情况。
      // new CompressionPlugin({
      //   filename: '[path][base].br',
      //   algorithm: 'brotliCompress',
      //   test: /\.(js|css|html|svg)$/,
      //   compressionOptions: {
      //     params: {
      //       [zlib.constants.BROTLI_PARAM_QUALITY]: 11
      //     }
      //   },
      //   threshold: 10240,
      //   minRatio: 0.8
      // })
    ]
  },
  chainWebpack: config => {
    config.resolve.extensions
      .add('.js')
      .add('.vue')
      .end()

    config.module
      .rule('images')
      .test(/\.(png|jpe?g|gif)(\?.*)?$/)
      .use('url-loader')
      .loader('url-loader')
      .options({
        name: 'images/[name].[ext]',
        limit: 10000,
        esModule: false
      })
      .end()

    config.module
      .rule('fonts')
      .test(/\.(eot|ttf|woff|woff2)(\?.*)?$/)
      .use('url-loader')
      .loader('url-loader')
      .options({
        name: 'fonts/[name].[ext]',
        limit: 10000
      })
      .end()

    config.module
      .rule('svg')
      .exclude.add(resolve('src/assets/svg/icons'))
      .end()

    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/assets/svg/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    config.plugin('copy').use(CopyWebpackPlugin, [
      [
        {
          from: path.join(__dirname, 'public'),
          to: path.join(__dirname, 'dist'),
          ignore: ['index.html']
        },
        { from: path.join(dtSdk, 'library/Workers'), to: 'Workers' },
        { from: path.join(dtSdk, 'library/ThirdParty'), to: 'ThirdParty' },
        { from: path.join(dtSdk, 'library/Assets'), to: 'Assets' },
        { from: path.join(dtSdk, 'library/Widgets'), to: 'Widgets' }
      ]
    ])

    config.plugin('define').tap(args => {
      args[0].CESIUM_BASE_URL = JSON.stringify('')
      return args
    })
  },
  devServer: {
    open: true
  },
  css: {
    loaderOptions: {
      postcss: {
        // plugins: [
        //   require('postcss-pxtorem')({
        //     rootValue: 192, // 正常适配
        //     // rootValue: 280, // 3840 * 2160
        //     propList: ['*'], // 可以从px更改为rem的属性
        //     selectorBlackList: [
        //       // 匹配不被转换为rem的选择器
        //       'super-cesium-timeline-icon16'
        //       // 'card-position'
        //     ]
        //   })
        // ]
      }
    }
  }
}