rollup.config.js

import babel from 'rollup-plugin-babel'
import commonjs from 'rollup-plugin-commonjs'
import external from 'rollup-plugin-peer-deps-external'
import resolve from '@rollup/plugin-node-resolve'
import { terser } from 'rollup-plugin-terser'
import typescript from 'rollup-plugin-typescript2'

import pkg from './package.json'

const tsconfig = {
  compilerOptions: { declaration: true, jsx: 'react', isolatedModules: false },
}

// eslint-disable-next-line import/no-default-export
export default {
  input: 'src/index.tsx',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      sourcemap: true,
    },
    {
      file: pkg.module,
      format: 'es',
      sourcemap: true,
    },
  ],
  plugins: [
    external({
      includeDependencies: true,
    }),
    resolve(),
    typescript({
      rollupCommonJSResolveHack: true,
      exclude: ['**/__tests__/**', '**/pages/**'],
      clean: true,
      tsconfigOverride: tsconfig,
    }),
    babel({
      presets: ['react-app'],
      plugins: [
        '@babel/plugin-proposal-object-rest-spread',
        '@babel/plugin-proposal-optional-chaining',
        '@babel/plugin-syntax-dynamic-import',
        '@babel/plugin-proposal-class-properties',
        'transform-react-remove-prop-types',
      ],
      exclude: 'node_modules/**',
      runtimeHelpers: true,
    }),
    commonjs(),
    terser(),
  ],
}