const path = require('path')
const webpack = require('webpack')

// 定义一个函数，用于拼接路径
function resolve (dir) {
  return path.join(__dirname, dir)
}

// vue.config.js
module.exports = {
  /*
    Vue-cli3:
    Crashed when using Webpack `import()` #2463
    https://github.com/vuejs/vue-cli/issues/2463

   */
  /*
  pages: {
    index: {
      entry: 'src/main.js',
      chunks: ['chunk-vendors', 'chunk-common', 'index']
    }
  },
  */
  // 配置webpack
  configureWebpack: {
    plugins: [
      // 忽略moment.js的所有locale文件
      new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
      // 提供全局变量
      new webpack.ProvidePlugin({
        $: 'jquery',
        jQuery: 'jquery'
      })
    ]
  },

  // 链式调用webpack配置
  chainWebpack: (config) => {
    // 设置路径别名
    config.resolve.alias
      .set('@$', resolve('src'))
      .set('@api', resolve('src/api'))
      .set('@assets', resolve('src/assets'))
      .set('@comp', resolve('src/components'))
      .set('@views', resolve('src/views'))
      .set('@layout', resolve('src/layout'))
      .set('@static', resolve('src/static'))
      .set('jquery', resolve('node_modules/jquery/src/jquery'))

    // 配置svg规则
    const svgRule = config.module.rule('svg')
    svgRule.uses.clear()
    svgRule
      .oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      })
    /* svgRule.oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-loader')
      .loader('vue-svg-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      })
    */
  },

  // 配置css
  css: {
    loaderOptions: {
      less: {
        modifyVars: {
          /* less 变量覆盖，用于自定义 ant design 主题 */

          /*
          'primary-color': '#F5222D',
          'link-color': '#F5222D',
          'border-radius-base': '4px',
          */
        },
        javascriptEnabled: true
      }
    }
  },

  // 配置开发服务器
  devServer: {
    // 开发服务器端口
    port: 8000,
    proxy: 'http://localhost:9527'
  },

  // 生产环境下禁用source map
  productionSourceMap: false,
  lintOnSave: undefined,
  // babel-loader不忽略node_modules/*
  transpileDependencies: []
}