rollup.config.js

import buble from 'rollup-plugin-buble';

const pkg = require( './package.json' ),
	external = Object.keys( pkg.dependencies );

export default {
	entry: 'src/index.js',
	targets: [
		{ dest: pkg.main, format: 'cjs' },
		{ dest: pkg.module, format: 'es' }
	],
	plugins: [ buble() ],
	external: external,
	sourceMap: true
};