Resolve last created promise

resolveLastCreated

const REPLACED = 'REPLACED';
const last = (fn) => {
  const current = { value: {} };
  return (...args) => {
    const now = {};
    current.value = now;
    return Promise.resolve(args)
      .then((args) => fn(...args))
      .then((resolve) =>
        current.value === now
          ? resolve
          : Promise.reject(REPLACED)
      );
  };
};