Download all wallpaper assets from MKBHD's Panels app

download-mkbhd-panels.js

import { createWriteStream } from 'fs';
import { mkdir } from 'fs/promises';
import { pipeline } from 'stream/promises';

// https://stackoverflow.com/a/47767860/13157538
const getURLExtension = url => {
  return url.split(/[#?]/)[0].split('.').pop().trim();
}

/**
 * Download MKBHD's Panels images
 * @property {string} dlPath Path to download asset files to
 * 
 * @typedef {Object} PanelJSON
 * @property {number} version
 * @property {Object.<string, string>} data
 */
const dlMKBHDPanels = async (dlPath = 'mkbhd-panels') => {
  const panelsRes = await fetch('https://storage.googleapis.com/panels-api/data/20240916/media-1a-i-p~s');

  if (!panelsRes.ok)
    throw new Error('Failed to fetch panels data');

  /** @type {PanelJSON} */
  const panelsJson = await panelsRes.json();

  for (const [key, data] of Object.entries(panelsJson.data)) {
    await mkdir(`./${dlPath}/`, { recursive: true });

    for (const [key2, url] of Object.entries(data)) {
      const fileName = `./${dlPath}/${key}_${key2}.${getURLExtension(url)}`;

      const fileRes = await fetch(url);

      if (!fileRes.ok)
        throw new Error(`Failed to fetch ${fileName}`);

      const fileStream = createWriteStream(fileName);

      await pipeline(fileRes.body, fileStream);
    }
  }
};

dlMKBHDPanels();