'use strict'
const path = require('path')
function resolve(dir) {
  return path.join(__dirname, dir)
}
const name = '鲁班后台管理系统' // page title
const port = process.env.port || process.env.npm_config_port || 9096
module.exports = {
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  // productionSourceMap: process.env.NODE_ENV !== 'development',
  devServer: {
    port: port,
    open: false,
    // overlay: {
    //   warnings: false,
    //   errors: true
    // },
    proxy: {
      // 本地连接不同的服务IP+端口
      '/api/': {
        target: 'http://localhost:8097/',
        changeOrigin: true,
        logLevel: 'debug',
        pathRewrite: {
          '^/api/': ''
        }
      },
      '/up_load_api/': {
        target: 'http://localhost:8092',
        changeOrigin: true,
        logLevel: 'debug',
        pathRewrite: {
          '^/up_load/': ''
        }
      },
      '/base_api/': {
        target: 'http://localhost:9100',
        changeOrigin: true,
        logLevel: 'debug',
        pathRewrite: {
          '^/base_api/': ''
        }
      },
      '/to_passport/': {
        target: 'http://localhost:8099',
        changeOrigin: true,
        logLevel: 'debug',
        pathRewrite: {
          '^/to_passport/': ''
        }
      }
    }
  },
  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')
      }
    }
  },
  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$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()
    config.when(process.env.NODE_ENV === 'development',
      config => config.devtool('source-map')
    )
    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .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
                }
              }
            })
          // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
          config.optimization.runtimeChunk('single')
        }
      )
  }
}