import { Configuration } from 'webpack';
import { CleanWebpackPlugin } from 'clean-webpack-plugin';
import MiniCssExtractPlugin from 'mini-css-extract-plugin';
import { merge } from 'webpack-merge';
import webpackConfigBase from './webpack.config.base';

const config = merge<Configuration>(webpackConfigBase, {
  mode: 'production',
  output: {
    filename: '[name]-[fullhash:8].js',
  },
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [
          'style-loader',
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              esModule: false,
            },
          },
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1,
            },
          },
          'postcss-loader',
        ],
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new MiniCssExtractPlugin({
      filename: '[name]-[fullhash:8].css',
      chunkFilename: '[id]-[fullhash:8].css',
    }),
  ],
});

export default config;