webpack.config.development.js

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

const port = process.env.PORT || 3000;

module.exports = {
  mode: "development",
  entry: "./src/index.tsx",
  output: {
    filename: "[name].bundle.js",
    chunkFilename: "[name].bundle.js",
    path: "/",
    clean: true,
    publicPath: "/",
  },
  resolve: {
    extensions: [".js", ".jsx", ".ts", ".tsx"],
    alias: {
      "react-dom": "@hot-loader/react-dom",
    },
  },
  devtool: "inline-source-map",
  module: {
    rules: [
      {
        test: /\.(js)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.(png|woff|woff2|eot|ttf|jpg|gif)$/i,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 8192,
            },
          },
        ],
      },
      {
        test: /\.tsx?$/,
        use: "ts-loader",
        exclude: /node_modules/,
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "public/index.html",
      favicon: "public/favicon.ico",
    }),
    new webpack.HotModuleReplacementPlugin(),
  ],
  optimization: {
    splitChunks: {
      cacheGroups: {
        vendors: {
          test: /[\\/]node_modules[\\/]/,
          name: "vendors",
          chunks: "all",
        },
      },
    },
  },
  devServer: {
    port,
    host: "localhost",
    historyApiFallback: true,
    open: true,
    hot: true,
    disableHostCheck: true,
  },
};