const CompressionWebpackPlugin = require('compression-webpack-plugin'); // 开启压缩
const webpack = require('webpack');
// const isProduction = process.env.NODE_ENV === 'production';

module.exports = {
  publicPath: './',
  productionSourceMap: false,
  devServer: {
    port: 8081,
  },
  pages: {
    mobile: {
      entry: 'src/mobile.js',
      template: 'public/mobile.html',
      filename: 'mobile.html'
    },
    index: {
      entry: 'src/main.js',
      template: 'public/index.html',
      filename: 'index.html'
    },
  },
  chainWebpack: config => {
    config.plugins.delete('prefetch')
  },
  css: {
    extract: {
      Type: true,
    },
    loaderOptions: {
      css: {},
      postcss: {
        plugins: [
          require('postcss-plugin-px2rem')({
            rootValue: 75,
            exclude: /(node_module)/,
          }),
        ]
      }
    }
  },
  configureWebpack: {
    // 服务器也要相应开启gzip
    plugins: [
      // new CompressionWebpackPlugin({
      //   algorithm: 'gzip',
      //   test: /\.(js|css|png)$/, // 匹配文件名
      //   threshold: 0, // 对超过10k的数据压缩
      //   deleteOriginalAssets: true, // 不删除源文件
      //   minRatio: 0.8 // 压缩比
      // }),
      new webpack.optimize.LimitChunkCountPlugin({
        maxChunks:20,
        minChunkSize: 1000
      })
    ]
  }
}