webpack.config.js

require('webpack');
const path = require('path');

const libraryName = 'reactFSComponents';
const outputFile = 'react-fs-components.js';
const plugins = [];

module.exports = {
  mode: 'production',
  entry: path.join(__dirname, './src/index.js'),
  output: {
    path: path.join(__dirname, './dist'),
    filename: outputFile,
    library: libraryName,
    libraryTarget: 'umd',
    publicPath: '/dist/',
    umdNamedDefine: true,
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: {
          loader: 'babel-loader',
        },
        include: path.resolve(__dirname, 'src'),
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
    alias: {
      react: path.resolve(__dirname, './node_modules/react'),
      'react-dom': path.resolve(__dirname, './node_modules/react-dom'),
    },
  },
  externals: {
    // Don't bundle react or react-dom
    react: {
      commonjs: 'react',
      commonjs2: 'react',
      amd: 'React',
      root: 'React',
    },
    'react-dom': {
      root: 'ReactDOM',
      commonjs2: 'react-dom',
      commonjs: 'react-dom',
      amd: 'react-dom',
      umd: 'react-dom',
    },
  },
  plugins,
};