webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const TerserPlugin = require("terser-webpack-plugin");

const isProduction = process.env.NODE_ENV === "production";

const config = {
  mode: isProduction ? "production" : "development",
  entry: {
    index: "./src/index.tsx",
  },
  output: {
    filename: "[name].[contenthash].js",
    path: path.resolve(__dirname, "build"),
  },
  devServer: {
    open: true,
    host: "localhost",
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "index.html",
    }),
    new MiniCssExtractPlugin({
      filename: "[name].[contenthash].css",
      experimentalUseImportModule: false,
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/i,
        loader: "ts-loader",
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: "asset",
      },
    ],
  },
  resolve: {
    extensions: [".tsx", ".ts", ".jsx", ".js", "..."],
    alias: {
      src: path.resolve(__dirname, "src"),
    },
  },
  optimization: {
    minimizer: [new TerserPlugin()],
    splitChunks: {
      chunks: "all",
    },
  },
  cache: {
    type: "filesystem",
    cacheDirectory: path.resolve(__dirname, ".webpack-cache"),
  },
  devtool: isProduction ? "source-map" : "inline-source-map",
};

module.exports = config;