rollup.config.prod.js

import babel from 'rollup-plugin-babel';
import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import postcss from 'rollup-plugin-postcss';
import filesize from 'rollup-plugin-filesize';
import autoprefixer from 'autoprefixer';
import localResolve from 'rollup-plugin-local-resolve';
import ts from 'rollup-plugin-ts';
import replace from 'rollup-plugin-replace';
import { terser } from 'rollup-plugin-terser';

import pkg from './package.json';

const config = {
  input: 'src/index.ts',
  output: [
    {
      file: pkg.browser,
      format: 'umd',
      name: 'castUI',
      globals: {
        react: 'React',
        'react-dom': 'ReactDOM',
        'styled-components': 'styled',
      },
    },
    {
      file: pkg.module,
      format: 'es',
      name: 'castUI',
    },
    {
      file: pkg.main,
      format: 'cjs',
    },
  ],
  plugins: [
    postcss({ extract: false, plugins: [autoprefixer] }),
    babel({ exclude: 'node_modules/**' }),
    peerDepsExternal(),
    localResolve(),
    resolve(),
    commonjs({
      namedExports: {
        'node_modules/react-dates/index.js': [
          'SingleDatePicker',
          'SingleDatePickerShape',
          'DateRangePicker',
          'DateRangePickerShape',
        ],
      },
    }),
    filesize(),
    ts({}),
    replace({
      'process.env.NODE_ENV': JSON.stringify('production'),
    }),
    terser(),
  ],
};

export default config;