playwright-capture.js

// Example capturing a 1200 x 6000 pixels screenshot
// from a website using https://github.com/microsoft/playwright
const pw = require('playwright');

(async () => {
  const browser = await pw.firefox.launch(); // or 'chromium', 'firefox'
  const context = await browser.newContext();
  const page = await context.newPage();

  await page.goto('https://lecourrier.ch/');
  const watchDog = page.mainFrame().waitForFunction('window.innerWidth > 1000');
  page.setViewport({width: 1200, height: 6000});
  await watchDog;
  await page.screenshot({ path: 'lecourrier.png' });

  await browser.close();
})();