rollup.config.ts

import resolvePlugin from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import cjs2es from '@rollup/plugin-commonjs';
import nodePolyfills from 'rollup-plugin-polyfill-node';
import { defineConfig } from 'rollup';
import {getBabelOutputPlugin} from '@rollup/plugin-babel';
import { terser } from 'rollup-plugin-terser';
import * as path from 'path';

const config = defineConfig({
  input: 'src/index.ts',
  output: [
    {
      file: 'dist/index.js',
      format: 'es',
      plugins: [
        // compile js to es5 compatible, friendly to browsers
        getBabelOutputPlugin({
          filename: 'dist/index.js',
          configFile: path.resolve(__dirname, 'babel.config.js'),
        })
      ]
    },
    {
      file: 'dist/index.cjs',
      format: 'cjs',
    },
  ],
  external: ['@mysten/sui.js'],
  plugins: [
    // compile ts files
    typescript(),
    // polyfill nodejs built-in and global modules
    nodePolyfills(),
    // fetch node_modules contents
    resolvePlugin({
      browser: true, // specify that it's built for browser
    }),
    // convert commonjs module to es module for rollup to bundle
    cjs2es(),
  ],
});

if (process.env.NODE_ENV === 'production') {
  config.plugins?.push(terser()); // minify output files
}

export default config;