rollup.config.js

import resolve from '@rollup/plugin-node-resolve';
import svgr from '@svgr/rollup';
import commonjs from 'rollup-plugin-commonjs';
import external from 'rollup-plugin-peer-deps-external';
// import postcss from 'rollup-plugin-postcss-modules'
import postcss from 'rollup-plugin-postcss';
import { terser } from "rollup-plugin-terser";
import typescript from 'rollup-plugin-typescript2';
import url from 'rollup-plugin-url';
import pkg from './package.json';

export default {
  input: 'src/index.tsx',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      exports: 'named',
      sourcemap: true
    },
    {
      file: pkg.module,
      format: 'es',
      exports: 'named',
      sourcemap: true
    }
  ],
  plugins: [
    external(),
    postcss({
      modules: true,
      extensions: ['.css', '.sass'],
      use: ['sass']
    }),
    url(),
    svgr(),
    resolve(),
    typescript({
      rollupCommonJSResolveHack: true,
      clean: true
    }),
    commonjs(),
    terser(),
  ]
};