import module from 'module'; import commonjs from '@rollup/plugin-commonjs'; import resolve from '@rollup/plugin-node-resolve'; import typescript from '@rollup/plugin-typescript'; export default { input: 'email.ts', output: [ { file: 'email.cjs', format: 'cjs', interop: false, freeze: false, sourcemap: true, }, { file: 'email.mjs', format: 'es', interop: false, freeze: false, sourcemap: true, }, ], external: module.builtinModules, plugins: [resolve(), commonjs(), typescript()], };