webpack.config.ts

import MiniCssExtractPlugin from 'mini-css-extract-plugin';
import * as path from 'path';
import * as webpack from 'webpack';
import autoprefixer from 'autoprefixer';

const config: webpack.Configuration = {
  entry: ['./js/script.ts', './sass/_retlab.scss'],
  output: {
    path: path.resolve(__dirname, 'assets'),
    filename: 'js/bundle.js',
  },
  mode: 'production',
  plugins: [
    new MiniCssExtractPlugin({ filename: 'css/style.css' }),
    autoprefixer,
  ],
  optimization: {
    minimize: true,
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'babel-loader',
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader',
            options: {
              url: false,
            },
          },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [autoprefixer],
              },
            },
          },
          {
            loader: 'sass-loader',
          },
        ],
      },
    ],
  },
};
export default config;