rollup.config.js

import * as react from 'react';
import typescript from 'rollup-plugin-typescript2';
import commonjs from 'rollup-plugin-commonjs';
import external from 'rollup-plugin-peer-deps-external';
import resolve from 'rollup-plugin-node-resolve';
import json from '@rollup/plugin-json';

import pkg from './package.json';

export default {
  input: 'src/index.tsx',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      exports: 'named',
      sourcemap: true
    },
    {
      file: pkg.module,
      format: 'es',
      exports: 'named',
      sourcemap: true
    }
  ],
  plugins: [
    external(),
    resolve(),
    typescript({
      rollupCommonJSResolveHack: true,
      exclude: '**/__tests__/**',
      clean: true
    }),
    json(),
    commonjs({
      include: ['node_modules/**'],
      namedExports: {
        'node_modules/react/react.js': [
          'Children',
          'Component',
          'PropTypes',
          'createElement'
		],
		react: Object.keys(react),
        'node_modules/react-dom/index.js': ['render']
      }
    })
  ]
};