skills/ego-browser/learnings/x-com/tools/timeline.js

function boundedInteger(value, fallback, max) {
  const number = value === undefined ? fallback : Number(value);
  if (!Number.isFinite(number)) return fallback;
  return Math.max(1, Math.min(max, Math.trunc(number)));
}

export async function getTimelinePosts(ctx, args = {}) {
  const maxPosts = boundedInteger(args.maxPosts, 50, 100);

  const posts = await ctx.js(String.raw`(() => {
    const articles = [...document.querySelectorAll('[data-testid="tweet"]')]
    return articles.slice(0, ${maxPosts}).map(el => ({
      text: el.querySelector('[data-testid="tweetText"]')?.innerText?.trim() || '',
      author: el.querySelector('[data-testid="User-Name"]')?.querySelector('span')?.innerText?.trim() || '',
      handle: el.querySelector('[data-testid="User-Name"]')?.querySelector('a')?.getAttribute('href') || '',
      timestamp: el.querySelector('time')?.getAttribute('datetime') || '',
    }))
  })()`);

  return posts;
}