'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = defaultSettings.title || 'rabbit测试平台' // page title
const port = 9528 // dev环境 port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * 如果计划在子路径下部署站点，则需要设置publicPath,
   * 例如GitHub页面。如果您计划将站点部署到https://foo.github.io/bar/,
   * 然后将publicPath设置为“/bar/”。
   * 在大多数情况下，请使用'/' !!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  // 解决加载不到static文件
  publicPath: './',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  // lintOnSave: false,
  productionSourceMap: false,
  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    // 代理配置
    proxy: {
      // 更改 xxx-api/login => mock/login
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        // 匹配项
        // target: `http://localhost:${port}/mock`, // 调用后端的域名和端口
        target: `http://localhost:8889/public`, // 调用后端的域名和端口
        // secure: false,// 如果是https接口，需要配置这个参数
        changeOrigin: true, // 如果接口跨域，需要进行这个参数配置
        pathRewrite: {
          // 实现替换的，将 [process.env.VUE_APP_BASE_API]替换成指定值,也可以设置为空
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    },
    after: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // 在webpack的name字段中提供应用程序的标题
    // 可以在index.html中访问它来注入正确的标题。
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

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

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', config =>
        config.devtool('cheap-source-map')
      )

    config.when(process.env.NODE_ENV !== 'development', config => {
      config
        .plugin('ScriptExtHtmlWebpackPlugin')
        .after('html')
        .use('script-ext-html-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/
          }
        ])
        .end()
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial' // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      })
      config.optimization.runtimeChunk('single')
    })
  }
}