run_rom_in_GA_pages.js

run_rom_in_GA_pages.js

(async () => {
  const selector = 'div#artifacts table a.Link--primary';
  const romEl = await elementReady_(selector);
  const romFilename = romEl.innerText;

  const proxyPrefix = 'https://nightly.link/';
  const orgUrl = document.URL;  //ex: https://github.com/pdpdds/kingsvalley/actions/runs/3908859118
  const newUrl = orgUrl.replace('https://github.com/', proxyPrefix) + '/' + romFilename + '.zip';

  const webMSXPrefix = 'https://webmsx.org/?ROM=';
  window.open(webMSXPrefix + newUrl, '_blank');


  function elementReady_(selector) {
    return new Promise((resolve, reject) => {
      const els = [...document.querySelectorAll(selector)];
      if(els.length > 0)
        resolve(els[els.length-1]);

      new MutationObserver(async (m, o) => {
        const els = [...document.querySelectorAll(selector)];
        if(els.length > 0) {
          o.disconnect();
          resolve(els[els.length-1]);
        }
      })
      .observe(document, {
        childList: true,
        subtree: true
      });
    });
  }
})();