webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const ModuleFederationPlugin = require("webpack/lib/container/ModuleFederationPlugin");

const { dependencies } = require("./package.json");

module.exports = {
  entry: "./src/index.ts",
  output: {
    filename: "bundle.js",
    path: path.resolve(__dirname, "build"),
    publicPath: 'http://localhost:3000/'
  },
  mode: 'development',
  devServer: {
    port: 3000,
  },
  module: {
    rules: [
      {
        test: /\.(js|ts|tsx)?$/,
        exclude: /node_modules/,
        use: [
          {
            loader: "babel-loader",
            options: {
              presets: ["@babel/preset-env", "@babel/preset-react"],
            },
          },
          "ts-loader",
        ],
      },
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, "css-loader", "sass-loader"],
      },
      {
        test: /\.(woff(2)?|ttf|eot|svg)(\?v=\d+\.\d+\.\d+)|.svg?$/,
        use: ["file-loader"],
      },
    ],
  },
  plugins: [
    new ModuleFederationPlugin({
      name: "host",
      library: { type: 'var', name: 'host' },
      remotes: {
        products: 'products',
      },
      shared: {
        ...dependencies,
        react: {
          eager: true,
          singleton: true,
          requiredVersion: dependencies["react"],
        },
        "react-dom": {
          eager: true,
          singleton: true,
          requiredVersion: dependencies["react-dom"],
        },
      },
    }),
    new HtmlWebpackPlugin({
      template: "./public/index.html",
    }),
    new MiniCssExtractPlugin({
      filename: "[name].[contenthash].css",
    }),
  ],
  resolve: {
    extensions: [".js", ".ts", ".tsx"],
  },
  target: "web",
};