rollup.config.js

import commonjs from '@rollup/plugin-commonjs'
import resolve from '@rollup/plugin-node-resolve'
import peerDepsExternal from 'rollup-plugin-peer-deps-external'
import typescript from 'rollup-plugin-typescript2'

import packageJson from './package.json'

export default {
  input: './src/index.tsx',
  output: [
    {
      file: packageJson.main,
      format: 'cjs',
      sourcemap: true
    },
    {
      file: packageJson.module,
      format: 'esm',
      sourcemap: true
    }
  ],
  plugins: [
    peerDepsExternal(),
    resolve(),
    typescript({
      rollupCommonJSResolveHack: true,
      exclude: '**/__tests__/**',
      clean: true
    }),
    commonjs({
      include: ['node_modules/**'],
      namedExports: {
        'node_modules/react/react.js': [
          'Children',
          'Component',
          'PropTypes',
          'createElement'
        ],
        'node_modules/react-dom/index.js': ['render']
      }
    })
  ]
}