Building Undetectable Web Scraping Infrastructure with Playwright Stealth, Proxies, and Fingerprint Spoofing

import { chromium } from 'playwright-extra';
import StealthPlugin from 'puppeteer-extra-plugin-stealth';

// Attach stealth evasions to Playwright engine
chromium.use(StealthPlugin());

export async function launchStealthBrowserSession(proxyUrl: string) {
  const browser = await chromium.launch({
    headless: true,
    args: [
      '--disable-blink-features=AutomationControlled',
      '--disable-web-security',
      '--no-sandbox',
      '--window-size=1920,1080',
    ],
    proxy: { server: proxyUrl },
  });

  const context = await browser.newContext({
    viewport: { width: 1920, height: 1080 },
    userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36',
    locale: 'en-US',
    timezoneId: 'America/New_York',
    deviceScaleFactor: 1,
    hasTouch: false,
  });

  // Inject additional runtime evasions prior to page navigation
  await context.addInitScript(() => {
    Object.defineProperty(navigator, 'webdriver', { get: () => undefined });
  });

  return { browser, context };
}