violent monkey script for ci rerun

the_script.js

// ==UserScript==
// @name         GitHub Rerun Failed Jobs (Manual Trigger + Watcher) @escherize
// @namespace    http://tampermonkey.net/
// @version      0.7
// @description  Manually trigger a watcher to auto re-run failed GitHub Actions jobs
// @match        https://github.com/*/*/actions/runs/**
// @grant        none
// ==/UserScript==

(function () {
  'use strict';

  const waitForTextButton = (text, timeout = 60000) => new Promise((resolve, reject) => {
    const interval = 300;
    const maxTries = timeout / interval;
    let tries = 0;
    const timer = setInterval(() => {
      const btn = Array.from(document.querySelectorAll('span'))
        .find(el => el.textContent.trim() === text);
      if (btn) {
        clearInterval(timer);
        resolve(btn);
      } else if (++tries > maxTries) {
        clearInterval(timer);
        reject(`Timeout waiting for button: ${text}`);
      }
    }, interval);
  });

  const tryRerun = async () => {
    console.log('[ManualRerun] Waiting for "Re-run jobs"...');
    const rerunButton = await waitForTextButton('Re-run jobs');
    console.log('[ManualRerun] Clicking dropdown...');
    rerunButton.click();

    console.log('[ManualRerun] Waiting for "Re-run failed jobs"...');
    const failedJobsBtn = await waitForTextButton('Re-run failed jobs');
    failedJobsBtn.click();

    setTimeout(() => {
      const buttons = Array.from(document.querySelectorAll('button'))
        .filter(btn => btn.textContent.trim() === 'Re-run jobs')
        .reverse();
      console.log(`[ManualRerun] Clicking ${buttons.length} "Re-run jobs" buttons...`);
      buttons.forEach(btn => btn.click());
    }, 1000);
  };

  let observer;

  const startWatcher = () => {
    if (observer) {
      console.log('[ManualRerun] Watcher already active.');
      return;
    }

    triggerButton.textContent = '👀 Watching for Re-run...';

    observer = new MutationObserver(() => {
      const found = Array.from(document.querySelectorAll('button'))
        .some(btn => btn.textContent.trim() === 'Re-run jobs');
      if (found) {
        observer.disconnect();
        observer = null;
        triggerButton.textContent = '✅ Re-run Triggered!';
        tryRerun().catch(err => {
          console.error('[ManualRerun] Failed:', err);
          triggerButton.textContent = '❌ Re-run Failed';
        });
      }
    });

    observer.observe(document.body, { childList: true, subtree: true });
    console.log('[ManualRerun] Watcher started...');
  };

  const triggerButton = document.createElement('button');
  triggerButton.textContent = '▶️ Start Re-run Watcher';
  triggerButton.style.position = 'fixed';
  triggerButton.style.top = '10px';
  triggerButton.style.right = '10px';
  triggerButton.style.zIndex = 9999;
  triggerButton.style.padding = '8px 12px';
  triggerButton.style.fontSize = '14px';
  triggerButton.style.background = '#0366d6';
  triggerButton.style.color = 'white';
  triggerButton.style.border = 'none';
  triggerButton.style.borderRadius = '6px';
  triggerButton.style.cursor = 'pointer';
  document.body.appendChild(triggerButton);

  triggerButton.addEventListener('click', startWatcher);
})();