rollup.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
/* eslint-disable no-undef */
import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';

import dts from 'rollup-plugin-dts';
import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import { typescriptPaths } from 'rollup-plugin-typescript-paths';
import { terser } from 'rollup-plugin-terser';

const outputOptions = {
  sourcemap: false,
  preserveModules: true,
  preserveModulesRoot: 'src'
};

export default [
  {
    input: 'src/index.ts',
    output: [
      {
        dir: 'dist',
        format: 'cjs',
        entryFileNames: '[name].cjs',
        exports: 'auto',
        ...outputOptions
      },
      {
        dir: 'dist',
        format: 'esm',
        ...outputOptions
      }
    ],
    external: [/node_modules/],
    plugins: [
      peerDepsExternal(),
      resolve(),
      commonjs(),
      terser(),
      typescript({
        tsconfig: './tsconfig.json',
        exclude: ['**/stories/**', '**/tests/**', './styles.css']
      }),
      typescriptPaths()
    ]
  },
  {
    input: 'dist/index.d.ts',
    output: [{ file: 'dist/index.d.ts', format: 'esm' }],
    plugins: [dts()],
    external: [/\.css$/]
  }
];