node-result

node-result

install

npm install node-result

# or
yarn add node-result

example

import { ok, fail } from "node-result";

async function checkIfNotString(data: any) {
  try {
    if (typeof data !== 'string') {
      return fail(void 0);
    }
    return ok(null);
  } catch (error) {
    return fail(error);
  }
}

(async () => {

  (await checkIfNotString('foo'));
  // return Result
  (await checkIfNotString(5));
  // return Result
  (await checkIfNotString('bar'));
  // return Result

  (await checkIfNotString('foo')).unwrap();
  // return null
  (await checkIfNotString(5)).unwrap();
  // throw undefined or Error
  (await checkIfNotString('bar')).unwrap();
  // not done

})();