const merge = require('webpack-merge')
const commonConf = require('./webpack.common.js')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const TerserJSPlugin = require('terser-webpack-plugin')
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const path = require('path')
const prodConf = {
  mode: 'production',
  devtool: 'cheap-module-source-map',
  output: {
    path: path.resolve(__dirname, '../../../pub/zq2019/lolSkinShow'),
    publicPath: `//pub.dwstatic.com/zq2019/lolSkinShow/`
  },
  module: {
    rules: [
      {
        test: /\.(scss|css)$/,
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader',
            options: {
              importLoaders: 2
            }
          },
          'sass-loader',
          'postcss-loader'
        ]
      },
      {
        test: /\.module\.(scss|css)$/,
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader',
            options: {
              importLoaders: 2,
              modules: true
            }
          },
          'sass-loader',
          'postcss-loader'
        ]
      }
    ]
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: 'css/[name]_[contenthash:5].css',
      chunkFilename: 'css/[id]_[contenthash:5].css'
    }),
    new CopyWebpackPlugin([
      { from: 'src/assets/duowanFooter.min.js', to: 'js' }
    ])
  ],
  optimization: {
    minimizer: [
      new TerserJSPlugin({
        sourceMap: true
      }),
      new OptimizeCSSAssetsPlugin({})
    ]
  }
}

module.exports = merge(commonConf, prodConf)