rollup.config.mjs

import typescript from '@rollup/plugin-typescript';
import { readFileSync } from 'fs';

const pkg = JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8'));

export default {
  input: 'src/index.ts',
  external: [...Object.keys(pkg.dependencies), 'os'],
  output: [
    { file: pkg.main, format: 'cjs', exports: 'auto' },
    { file: pkg.module, format: 'es' }
  ],
  plugins: [typescript({ sourceMap: false })],
  strictDeprecations: true
};