Fold promise immedietely

foldPromiseImmedietely.js

const PENDING_STATE = Symbol.for('MyPromise.PENDING');

const foldPromiseImmedietely = (promise, { RESOLVED, PENDING, REJECTED }) =>
  Promise.race([ promise, Promise.resolve(PENDING_STATE) ])
    .then(x => x === PENDING_STATE ? PENDING() : RESOLVED(x))
    .catch(REJECTED);

const message = await foldPromiseImmedietely(teraPromise, {
  RESOLVED: value => `Got ma ${value}`,
  PENDING: () => 'Waitin for ma value',
  REJECTED: e => 'Got an error boey',
});