webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");

module.exports = {
  mode: "production",
  entry: "./demo/index.tsx",
  output: {
    filename: "[name].[contenthash].js",
    path: path.resolve(__dirname, "docs"),
    clean: true,
  },
  resolve: {
    extensions: [".js", ".jsx", ".ts", ".tsx", ".scss", ".css", ".json"],
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx|js|jsx)$/,
        use: {
          loader: "babel-loader",
          options: {
            presets: [
              ["@babel/preset-env"],
              ["@babel/preset-react", { runtime: "automatic" }],
              "@babel/preset-typescript",
            ],
            plugins: ["@babel/plugin-transform-runtime"],
          },
        },
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.s[ac]ss$/i,
        use: ["style-loader", "css-loader", "sass-loader"],
      },
    ],
  },
  devServer: {
    static: "./demo",
    hot: true,
    open: true,
  },
  optimization: {
    minimize: true,
    splitChunks: {
      chunks: "all",
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./demo/index.html",
      inject: true,
      minify: true,
    }),
  ],
};