const playwright = require(process.cwd()); if (process.argv.length === 2) { console.error("Usage stub.js "); process.exit(1); } const browsers = process.argv.slice(2, process.argv.length); (async () => { for (const browserType of browsers) { const browser = await playwright[browserType].launch(); const context = await browser.newContext(); const page = await context.newPage(); await page.evaluate(() => navigator.userAgent); await browser.close(); } })().catch(err => { console.error(err); process.exit(1); });