Synchronous and Asynchronous Node.js Scripts #nodejs #javascript

async.js

#!/usr/bin/env node

import process from 'process';

async function main(argv = process.argv): Promise<number> {
  process.exitCode = 0;
  return process.exitCode;
}

if (require.main === module) {
  (async () => {
    await main();
  })();
}

export default main;

sync.js

#!/usr/bin/env node

import process from 'process';

function main(argv = process.argv): number {
  process.exitCode = 0;
  return process.exitCode;
}

if (require.main === module) {
  main();
}

export default main;