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 svgr from '@svgr/rollup'
import typescript from '@rollup/plugin-typescript';

import pkg from './package.json'

export default {
  input: 'src/index.ts',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      sourcemap: true
    },
    {
      file: pkg.module,
      format: 'es',
      sourcemap: true
    }
  ],
  external: [ 'react', 'react-dom' ],
  plugins: [
    external(),
    url(),
    svgr(),
    resolve(),
    babel({
      extensions: ['.js', '.ts', '.tsx'],
      exclude: 'node_modules/**',
      babelHelpers: 'runtime',
    }),
    typescript({tsconfig: './tsconfig.json'}),
    commonjs(),
    postcss({
      modules: true,
      plugins: [require('postcss-nested')]
    }),
  ]
}