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

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

const name = defaultSettings.title || 'Kboss' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following method:
// port = 9527 npm run dev OR npm run dev --port = 9527
const port = process.env.port || process.env.npm_config_port || 9527 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: './',
  outputDir: 'dist',
  assetsDir: 'static',
  runtimeCompiler: true,
  // eslint语法检查
  lintOnSave: false, // 修改成false 就是不检查了
  // lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      '/api': {
        target: 'https://dev.opencomputing.cn',
        ws: true,
        changeOrigin: true,
        pathRewrite: {
          '^/api': '' // 将 /api 替换为 /dev
        }
      }
    }
    // before: require('./mock/mock-server.js')
  },

  css: {
    loaderOptions: {
      sass: {
        sassOptions: {
          outputStyle: 'expanded',
          quietDeps: true
        }
      }
    }
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src'),
        // 解决 echarts 地图路径问题 - 添加这3个别名
        'echarts/map/js/china.js': resolve('node_modules/echarts/map/json/china.json'),
        'echarts/china.json': resolve('node_modules/echarts/map/json/china.json'),
        'echarts/map/json/china.json': resolve('node_modules/echarts/map/json/china.json')
      }
    },
    // 生产环境去除console和debugger
    optimization: {
      minimizer: [
        {
          apply: (compiler) => {
            // 只在生产环境生效
            if (process.env.NODE_ENV === 'production') {
              const TerserPlugin = require('terser-webpack-plugin')
              new TerserPlugin({
                terserOptions: {
                  compress: {
                    drop_console: true, // 移除console
                    drop_debugger: true, // 移除debugger
                    pure_funcs: ['console.log', 'console.info', 'console.warn', 'console.error'] // 移除特定的console方法
                  },
                  mangle: true, // 代码混淆
                  output: {
                    comments: false // 移除注释
                  }
                }
              }).apply(compiler)
            }
          }
        }
      ]
    }
  },
  chainWebpack(config) {
    // it can improve the speed of the first screen, it is recommended to turn on preload
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        // to ignore runtime.js
        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial'
      }
    ])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch')

    // 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()

    // 添加别名配置
    config.resolve.alias
      .set('echarts/map/js/china.js', resolve('node_modules/echarts/map/json/china.json'))
      .set('echarts/china.json', resolve('node_modules/echarts/map/json/china.json'))

    // 生产环境配置
    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
                }
              }
            })
          // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
          config.optimization.runtimeChunk('single')

          // 生产环境启用代码压缩和优化
          config.optimization.minimize(true)
        }
      )

    // 添加防调试插件配置（可选）
    if (process.env.NODE_ENV === 'production') {
      // 可以在这里添加其他生产环境特定的防调试配置
      config.plugin('define').tap(args => {
        args[0]['process.env'].DISABLE_DEBUG = 'true'
        return args
      })
    }
  }
}