JS::DeferredFnStack.js

'use strict';

function DeferredFnStack(fn) {
  let stack = Promise.resolve();

  return (...args) => {
    const dfd = defer();

    stack = stack
      .catch(() => null)
      .then(() => fn(...args).then(dfd.resolve, dfd.reject));

    return dfd.promise;
  };

  /**
   *
   * @returns {{}}
   */
  function defer() {
    const dfd = {};

    dfd.promise = new Promise((resolve, reject) => {
      dfd.resolve = resolve;
      dfd.reject = reject;
    });

    return dfd;
  }
}

/**
 * USAGE
 */

const fn = DeferredFnStack(() => {
  return new Promise((resolve) => {
    setTimeout(() => resolve('hi'), 1000);
  });
});

fn().then((value) => console.log(value));
fn().then((value) => console.log(value));
fn().then((value) => console.log(value));

/*
 Outputs 3 times 'Hello World!' with 1000ms interval
 */