webpack.config.js

const webpack = require("webpack");
const chalk = require("chalk");
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

const outputDirectory = "dist";
const webpackMode =
  process.env.NODE_ENV === "production" ? "production" : "development";

console.log(`Webpack Mode === ${chalk.blueBright(webpackMode)}\n`);

console.log(
  `Project Version === ${chalk.blueBright(process.env.npm_package_version)}`
);

console.log("");

module.exports = {
  mode: webpackMode,
  devServer: {
    clientLogLevel: "error",
    contentBase: path.join(__dirname, "public"),
    historyApiFallback: true,
    open: process.env.NODE_ENV !== "test",
    proxy: {
      "*": "http://localhost:3000",
    },
  },
  devtool: "source-map",
  entry: ["./src/client/index.tsx"],
  optimization: {
    splitChunks: {
      chunks: "all",
    },
  },
  output: {
    path: path.join(__dirname, outputDirectory),
    filename: "[contenthash].bundle.js",
    chunkFilename: "[contenthash].bundle.js",
    publicPath: "/",
  },
  resolve: {
    extensions: [".ts", ".tsx", ".js", ".jsx"],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: "./public/index.html",
    }),
  ],
  module: {
    rules: [
      {
        test: /\.svg$/,
        use: ["@svgr/webpack", "url-loader"],
      },
      {
        test: /\.ts(x?)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: "ts-loader",
            options: {
              configFile: "client-tsconfig.json",
              logLevel: "info",
            },
          },
        ],
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.(png|jpg|woff|woff2|eot|ttf)$/,
        loader: "url-loader?limit=100000",
      },
      {
        enforce: "pre",
        test: /\.js$/,
        loader: "source-map-loader",
      },
    ],
  },
  externals: {
    react: "React",
    "react-dom": "ReactDOM",
  },
};