const Components = require('unplugin-vue-components/webpack');
const AutoImport = require('unplugin-auto-import/webpack');
const { ElementPlusResolver } = require('unplugin-vue-components/resolvers');

// const CompressionPlugin = require('compression-webpack-plugin');

module.exports = {
  productionSourceMap: false,
  publicPath: './',
  chainWebpack: config => {
    if (process.env.NODE_ENV === 'production') {
      //   config.plugin('compressionPlugin').use(
      //     new CompressionPlugin({
      //       test: /\.js$|\.css|\.less/, // 匹配文件名
      //       threshold: 102400, // 对超过10k的数据压缩
      //       deleteOriginalAssets: false, // 不删除源文件
      //     })
      //   );
      // 移除 prefetch 插件
      config.plugins.delete('prefetch');

    //   config.module
    //     .rule(/\.s[ac]ss$/i)
    //     .use('sass-loader')
    //     .loader('sass-loader')
    //     .options({
    //       sassOptions: {
    //         strictMath: true,
    //         noIeCompat: true,
    //       },
    //     });
    }
  },
  configureWebpack: {
    plugins: [
      AutoImport({
        resolvers: [ElementPlusResolver()],
      }),
      Components({
        resolvers: [ElementPlusResolver()],
      }),
    ],
  },
};