rollup.config.mjs

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 copy from 'rollup-plugin-cpy';

import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const pkg = require('./package.json');

export default {
  input: 'src/index.js',
  output: [
    {
      file: pkg.main,
      format: 'cjs'
    },
    {
      file: pkg.module,
      format: 'esm'
    }
  ],
  plugins: [
    external(),
    postcss({
      modules: true
    }),
    url(),
    babel({
      babelHelpers: 'runtime',
      exclude: 'node_modules/**'
    }),
    resolve(),
    commonjs({
      include: 'node_modules/**'
    }),
    copy({
      files: ['src/index.d.ts'],
      dest: 'dist',
      options: {
        verbose: true
      }
    })
  ]
};