get slack thread discussion for posting to github issues as quoted by each user

get-slack-thread.js

(() => {
  const threads = document.querySelectorAll('[data-qa="slack_kit_list"]');
  if (!threads || threads.length < 3) {
    // note: when you click view thread, there are three "slack_kit_list" items: sidebar, main channel, thread
    return console.error('Thread container not found (need at least 3)');
  }
  const thread = threads[2];

  const msgs = thread.querySelectorAll('.c-message_kit__thread_message');
  const result = Array.from(msgs)
    .map(msg => {
      const sender = msg.querySelector('[data-qa="message_sender"]')?.innerText.trim() || 'Unknown';
      const time   = msg.querySelector('.c-timestamp__label')?.innerText.trim() || '';
      const bodyEl = msg.querySelector('div[data-qa="message-text"]');
      const body   = bodyEl?.innerText.trim() || '';

      // prefix each line for GitHub quoting
      const quotedBody = body
        .split('\n')
        .map(line => `> ${line}`)
        .join('\n');

      return `> **${sender} [${time}]**\n${quotedBody}`;
    })
    .filter(Boolean)
    .join('\n\n');

  console.log(result);

  return result;
})();