rollup.config.js

import commonjs from 'rollup-plugin-commonjs'
import resolve from 'rollup-plugin-node-resolve'
import autoExternal from 'rollup-plugin-auto-external'
import typescript from 'rollup-plugin-typescript2'
import { terser } from 'rollup-plugin-terser'
import bundleSize from 'rollup-plugin-bundle-size'
import buble from 'rollup-plugin-buble'
import pkg from './package.json'

export default {
  input: 'src/index.ts',
  output: [
    {
      file: pkg.main,
      format: 'cjs',
      exports: 'named',
      sourcemap: true,
    },
    {
      file: pkg.module,
      format: 'es',
      exports: 'named',
      sourcemap: true,
    },
  ],
  plugins: [
    typescript(),
    resolve(),
    autoExternal(),
    commonjs(),
    buble(),
    terser(),
    bundleSize(),
  ],
}