Function main

telemetry-dashboard/scripts/render-check.mjs:227–456

()

}

async function main() {
  const browserPath = findBrowser();
  if (!browserPath) {
    console.log('render-check: no Chromium found — skipping.');
    console.log('  Set CHROME_BIN, or install Chrome; the shell smoke suites cover the rest.');
    return 0;
  }
  console.log(`Browser: ${browserPath}`);

  console.log('Seeding the local D1 fixture…');
  const seed = run('./scripts/seed-fixture.sh', [], { stdio: 'inherit' });
  const seeded = await new Promise((resolve) => seed.on('exit', resolve));
  if (seeded !== 0) throw new Error('seeding failed');

  console.log(`Starting wrangler dev on :${PORT}…`);
  run('npx', ['wrangler', 'dev', '--port', String(PORT), '--ip', '127.0.0.1']);
  await waitFor('wrangler dev', async () => (await fetch(`${BASE}/robots.txt`)).ok);

  const password = readFileSync(join(root, '.dev.vars'), 'utf8').match(/^ADMIN_PASSWORD="(.*)"$/m)?.[1];
  if (!password) throw new Error('no ADMIN_PASSWORD in .dev.vars');
  const login = await fetch(`${BASE}/login`, {
    method: 'POST',
    body: new URLSearchParams({ password }),
    redirect: 'manual',
  });
  const cookie = login.headers.getSetCookie().find((c) => c.startsWith('cg_admin_session='));
  if (!cookie) throw new Error('login did not set a session cookie');
  const [name, value] = cookie.split(';')[0].split('=');

  profileDir = mkdtempSync(join(tmpdir(), 'cg-dash-profile-'));
  // chrome-headless-shell is headless by construction and rejects the flag;
  // a full Chrome needs it.
  const headlessFlag = browserPath.includes('headless') ? [] : ['--headless=new'];
  run(browserPath, [
    ...headlessFlag,
    '--disable-gpu',
    '--no-first-run',
    '--no-default-browser-check',
    '--remote-debugging-port=0',
    `--user-data-dir=${profileDir}`,
    'about:blank',
  ]);

  let devtoolsPort = null;
  await waitFor('the browser', () => {
    const portFile = join(profileDir, 'DevToolsActivePort');
    if (!existsSync(portFile)) return false;
    devtoolsPort = Number(readFileSync(portFile, 'utf8').split('\n')[0]);
    return Number.isFinite(devtoolsPort) && devtoolsPort > 0;
  }, 30);

  const version = await (await fetch(`http://127.0.0.1:${devtoolsPort}/json/version`)).json();
  const cdp = await CDP.connect(version.webSocketDebuggerUrl);
  const { targetId } = await cdp.send('Target.createTarget', { url: 'about:blank' });
  const { sessionId } = await cdp.send('Target.attachToTarget', { targetId, flatten: true });

  await cdp.send('Page.enable', {}, sessionId);
  await cdp.send('Runtime.enable', {}, sessionId);