rollup.config.js

import typescript from 'rollup-plugin-typescript2';
import license from 'rollup-plugin-license';
import {terser} from 'rollup-plugin-terser';
import filesize from 'rollup-plugin-filesize';
import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import resolve from '@rollup/plugin-node-resolve';
import pkg from './package.json';

const licenseBanner = license({
  banner: {
    content: '/*! <%= pkg.name %> v<%= pkg.version %> | <%= pkg.license %> */',
    commentStyle: 'none',
  },
});

export default [
  {
    input: 'src/index.tsx',
    output: [
      {
        file: pkg.main,
        format: 'cjs',
      },
      {
        file: pkg.module,
        format: 'esm',
      },
    ],
    plugins: [
      peerDepsExternal(),
      resolve(),
      typescript(),
    ],
  },
  {
    input: 'src/index.tsx',
    output: [
      {
        file: pkg.main.replace('.js', '.umd.js'),
        format: 'umd',
        name: 'ReactAuthKit',
      },
    ],
    plugins: [
      peerDepsExternal(),
      resolve(),
      typescript({useTsconfigDeclarationDir: true}),
      terser(),
      licenseBanner,
      filesize(),
    ],
  },
];