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working-with-promises.js

const STORIES_URL = 'https://hacker-news.firebaseio.com/v0/topstories.json';
const ITEMS_URL = 'https://hacker-news.firebaseio.com/v0/item/';

const getStoryIds = async () => {
  const response = await fetch(STORIES_URL);
  if (!response.ok) {
    const message = `An error has occured: ${response.status}`;
    throw new Error(message);
  }
  const result = await response.json();
  return result;
};

const getTopStories = async (ids) => {
  const itemsResponse = await Promise.all(
    ids.map((id) => fetch(ITEMS_URL + id + '.json'))
  );
  const stories = await Promise.all(itemsResponse.map((story) => story.json()));

  return stories;
};

const limiter = 20;

(async () => {
  const ids = await getStoryIds();
  const stories = await getTopStories(ids.slice(0, limiter));
  const topStories = stories.map((story) => {
    ({ title, by, url } = story);
    return { title, by, url };
  });
   
  console.log(topStories);
  //Do stuff with topStories
})();