rollup.config.js

import babel from 'rollup-plugin-babel';
import commonjs from 'rollup-plugin-commonjs';
import external from 'rollup-plugin-peer-deps-external';
import postcss from 'rollup-plugin-postcss';
import resolve from 'rollup-plugin-node-resolve';
import url from 'rollup-plugin-url';
import json from 'rollup-plugin-json';
import parseCountryList from './rollup-plugin-parse-country-list';
import pkg from './package.json';

const argv = require('minimist')(process.argv.slice(2));

// e.g. rollup -c --config-countries=GB,CA,US
let countries = [];
if (argv.hasOwnProperty('config-countries')) {
	countries = argv['config-countries'].split(',');
}

export default {
	input: 'src/index.js',
	output: [{
		file: pkg.main,
		format: 'cjs',
		sourcemap: true
	}, {
		file: pkg.module,
		format: 'es',
		sourcemap: true
	}],
	plugins: [
		parseCountryList({ countries }),
		external(),
		postcss({
			modules: true
		}),
		json(),
		url(),
		babel({
			exclude: 'node_modules/**',
			plugins: ['external-helpers']
		}),
		resolve(),
		commonjs()
	]
};