webpack.config.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const { ModuleFederationPlugin } = require('@module-federation/enhanced/webpack');
const CopyPlugin = require('copy-webpack-plugin');
const deps = require('./package.json').dependencies;
const path = require('path');

module.exports = {
  entry: './src/index',
  mode: 'development',
  devServer: {
    static: {
      directory: path.join(__dirname, 'dist'),
    },
    port: 3001,
    headers: {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, PATCH, OPTIONS',
      'Access-Control-Allow-Headers': 'X-Requested-With, content-type, Authorization',
    },
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-react'],
          },
        },
      },
    ],
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        {
          from: 'public/env-config.json',
          to: 'env-config.json',
          noErrorOnMissing: true,
        },
      ],
    }),
    new ModuleFederationPlugin({
      experiments: { asyncStartup: true },
      name: 'remote',
      shareStrategy: 'loaded-first',
      filename: 'remoteEntry.js',
      exposes: {
        './Widget': './src/components/WidgetWrapper',
      },
      shared: {
        react: {
          singleton: true,
          requiredVersion: '^18.0.0',
        },
        'react-dom': {
          singleton: true,
          requiredVersion: '^18.0.0',
        },
        moment: {
          singleton: false,
          requiredVersion: deps.moment,
        },
      },
    }),
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
  ],
};