rollup.config.js

import babel from 'rollup-plugin-babel';
import commonjs from 'rollup-plugin-commonjs';
import copy from 'rollup-plugin-copy';
import external from 'rollup-plugin-peer-deps-external';
import filesize from 'rollup-plugin-filesize';
import postcss from 'rollup-plugin-postcss';
import resolve from 'rollup-plugin-node-resolve';
import url from 'rollup-plugin-url';

import pkg from './package.json';

const extensions = ['.js', '.jsx', '.ts', '.tsx'];

export default {
  input: 'src/index.tsx',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      sourcemap: true,
      exports: 'named',
    },
    {
      file: pkg.module,
      format: 'es',
      sourcemap: true,
      exports: 'named',
    },
  ],
  plugins: [
    external({
      includeDependencies: true,
    }),
    postcss({
      modules: true,
    }),
    url(),
    babel({
      extensions,
      exclude: 'node_modules/**',
    }),
    resolve({
      extensions,
    }),
    commonjs(),
    copy({
      targets: [{ src: 'src/*.d.ts', dest: 'dist/' }],
    }),
    filesize(),
  ],
};