rollup.config.js
import babel from 'rollup-plugin-babel';
import pkg from './package.json';
export default [{
entry: 'src/index.js',
external: ['react'],
targets: [
{ dest: pkg.main, format: 'cjs' },
{ dest: pkg.module, format: 'es' },
],
plugins: [
babel({
exclude: ['node_modules/**'],
}),
],
}];