no try/catch in async/await ( nodejs node node.js js error handling arrow function)

await-of.js

module.exports = function of(promise) {
  return Promise.resolve(promise)
    .then((ret) => ret)
    .catch((err) => {
      if (!err) {
        let error = new Error("Rejection with empty value");
        error.originalValue = err;

        err = error;
      }

      return [undefined, err];
    });
}

index.js

const of = require('./await-of');

(async () => {
  const fooFunction = async () => {
    console.log('log', 1111);

    return 2222;
  }

  const res = await of(fooFunction());

  console.log('res', res);
})();