Get the promise status

get-promise-status.js

const promiseState = status => ({ status });

const PROMISE_STATE = {
  PENDING: promiseState('PENDING'),
  RESOLVED: promiseState('RESOLVED'),
  REJECTED: promiseState('REJECTED'),
};

const getPromiseStatus = promise =>
  Promise.race([ promise, Promise.resolve(PROMISE_STATE.PENDING) ])
    .then(r => r === PROMISE_STATE.PENDING ? PROMISE_STATE.PENDING : PROMISE_STATE.RESOLVED)
    .catch(e => PROMISE_STATE.REJECTED);

await getPromiseStatus(teraPromise); // >> { status: 'PENDING' }