rollup.config.js

import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import cleanup from 'rollup-plugin-cleanup';
import { terser } from 'rollup-plugin-terser';
import pkg from './package.json';

export default {
  input: 'src/index.ts',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      sourcemap: true,
    },
    {
      file: pkg.module,
      format: 'esm',
      sourcemap: true,
    },
  ],
  plugins: [
    resolve(),
    typescript({ sourceMap: true, tsconfig: './tsconfig.prod.json' }),
    commonjs({
      exclude: 'node_modules',
      ignoreGlobal: true,
    }),
    terser(),
    cleanup({ comments: 'none' }),
  ],
  external: Object.keys({ ...pkg.devDependencies, ...pkg.dependencies }),
};