const { chromium } = require('@playwright/test');
(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();
  const r = await page.request.get('https://geograsim.at/teacher.html');
  const html = await r.text();

  const idxLogin = html.indexOf('login.html');
  console.log('--- context around first login.html reference ---');
  console.log(html.slice(idxLogin - 400, idxLogin + 120));

  for (const name of ['renderLiveGesamt', '_liveQualityBar']) {
    const idx = html.indexOf('function ' + name);
    console.log('\n--- "function ' + name + '" @' + idx + ' ---');
    if (idx >= 0) console.log(html.slice(idx - 60, idx + 120));
  }

  const idxErg = html.indexOf('Ergebnisse');
  console.log('\n--- context around Ergebnisse ---');
  console.log(html.slice(idxErg - 220, idxErg + 80));
  await browser.close();
})();