convert advent of code pages into markdown for tampermonkey

aoc2md.js

// ==UserScript==
// @name         AoC2MD
// @namespace    https://madeby.nitwhiz.xyz/
// @version      1.0
// @description  convert advent of code pages into markdown
// @author       nitwhiz
// @match        https://adventofcode.com/*
// @icon         https://www.google.com/s2/favicons?domain=adventofcode.com
// @grant        none
// ==/UserScript==

(function () {
  'use strict';

  const markdown = [];

  const articles = Array.from(document.querySelectorAll('article'));

  for (const art of articles) {
    const children = Array.from(art.children);

    for (const child of children) {
      switch (child.tagName.toLowerCase()) {
        case 'pre':
          markdown.push(`\`\`\`text\n${child.textContent.trim()}\n\`\`\``);
          break;
        case 'h2':
          markdown.push(`## ${child.textContent.replaceAll('---', '').trim()}`);
          break;
        default:
          markdown.push(
            child.innerHTML
              .replaceAll('<code>', '`')
              .replaceAll('</code>', '`')
              .replaceAll('<em>', '**')
              .replaceAll('</em>', '**')
              .replace(/<(.*?)>/g, ''),
          );
      }
    }

    console.log(markdown.join('\n\n'));
  }
})();