fetch who's hiring posts from hn api

fetch.js

import fetch from "node-fetch";
import * as fs from "node:fs/promises";

const BASE_URL = "https://hacker-news.firebaseio.com/v0";

const fetchData = async () => {
  try {
    const response = await fetch(`${BASE_URL}/user/whoishiring.json`);
    const data = await response.json();

    for (const n of data.submitted) {
      const response = await fetch(`${BASE_URL}/item/${n}.json`);
      const topLevelPosts = await response.json();

      if (topLevelPosts.kids === undefined) {
        continue;
      } else if (
        topLevelPosts.title &&
        topLevelPosts.title.match(/Ask HN: Who is hiring\?/) != null
      ) {
        for (const m of topLevelPosts.kids) {
          const response = await fetch(`${BASE_URL}/item/${m}.json`);
          const data = await response.json();
          const fileName = `${m}.json`;
          const filePath = `./raw/${fileName}`;
          try {
            if (data.deleted != true && data.text != undefined) {
              await fs.writeFile(filePath, JSON.stringify(data));
              console.log(`Data written to ${filePath}`);
            }
          } catch (error) {
            console.error(error);
          }
        }
      }
    }
  } catch (error) {
    console.error(error);
  }
};

fetchData();