rollup.config.js

// import babel from 'rollup-plugin-babel';
// import resolve from 'rollup-plugin-node-resolve';
// import commonjs from 'rollup-plugin-commonjs';
// import { terser } from 'rollup-plugin-terser';
import banner from 'rollup-plugin-banner2';
import json from '@rollup/plugin-json';
import shebang from 'rollup-plugin-shebang-bin';
import S from 'tiny-dedent';
import packageJson from './package.json';

const license = () => S(`
  /*!
   * ${packageJson.nameFull} v${packageJson.version} (${packageJson.homepage})
   * Copyright (c) ${packageJson.author}
   * @license ${packageJson.license}
   */
   `
);

// const production = !process.env.ROLLUP_WATCH;
// const sourcemap = production ? true : 'inline';
// const entry = 'src/index.js';

// const assumptions = {
//   constantSuper: true,
//   enumerableModuleMeta: true,
//   ignoreFunctionLength: true,
//   ignoreToPrimitiveHint: true,
//   noClassCalls: true,
//   noDocumentAll: true,
//   noNewArrows: true,
//   privateFieldsAsProperties: true,
//   setClassMethods: true,
//   setComputedProperties: true,
//   setPublicClassFields: true,
// };

const config = [

  // Node script
  {
    input: 'src/cli.js',
    output: [
      {
        file: packageJson.bin,
        format: 'esm',
        sourcemap: false,
        //exports: 'default',
      },
    ],
    external: [/node_modules/],
    browser: false,
    plugins: [
      // resolve({
      //   preferBuiltins: true,
      // }),
      //commonjs(),
      json(),
      // babel({
      //   assumptions,
      //   plugins: [

      //   ]
      // }),
      banner(license),
      shebang(),
    ]
  },

  // GitHub Action
  {
    input: 'src/action.js',
    output: [
      {
        file: packageJson.action,
        format: 'esm',
        sourcemap: false,
        //exports: 'default',
      },
    ],
    external: [/node_modules/],
    browser: false,
    plugins: [
      // resolve({
      //   preferBuiltins: true,
      // }),
      //commonjs(),
      json(),
      // babel({
      //   assumptions,
      //   plugins: [

      //   ]
      // }),
      banner(license)
    ]
  },
];

export default config;