Frontend tools updates: Next.js, Playwright, Cypress

🦋 The Beauty of Asynchronous Browser Operations Just like a caterpillar's transformation into a butterfly, asynchronous operations in browser automation follow a beautiful metamorphosis! Understanding the Async Journey: 🐛 Initial State → Function execution begins 🛡️ Await Promise → Pause until Promise resolves 🦋 Resolved State → Function execution continues Why Async Matters in Test Automation: ✅ Non-blocking execution - Your tests don't freeze waiting for elements ✅ Better performance - Handle multiple operations simultaneously ✅ Real-world simulation - Mirrors how modern web apps actually work ✅ Robust testing - Properly handle dynamic content and API calls Key Async Patterns in Playwright: javascript // Wait for element to appear await page.waitForSelector('.dynamic-content'); // Handle network responses await page.waitForResponse('**/api/data'); // Parallel execution await Promise.all([ page.click('button'), page.waitForNavigation() ]); 💡 Pro Tip: Always use await with Playwright actions - it ensures your test waits for the operation to complete before moving to the next step! What's your biggest async automation challenge? Share your experiences! 👇 #AsyncJavaScript #Playwright #TestAutomation #WebTesting #BrowserAutomation #QA #SoftwareTesting #JavaScript #Promises #DevOps #QualityAssurance

Tired of flaky tests? Let's talk about why Cypress is a game-changer. 🚀 Let's be honest: end-to-end testing used to be a pain. We battled flaky tests, cryptic error messages, and agonizingly slow setup. Then came Cypress. 🌟 It’s not just another testing framework; it’s a complete developer experience that makes writing reliable tests actually enjoyable. Here’s why I think it’s the best: ✅ Real-Time Reloads & Time Travel: Watch tests execute in real-time and use the magic of time travel to see exactly what happened at each step. Debugging has never been this intuitive. ✅ No More Async Hell: Cypress automatically waits for commands and assertions. Goodbye, random sleep(5000) and fragile waitForElement chains! ✅ Built for the Modern Web: It’s designed from the ground up for the applications we build today. Native access to every object means no more WebDriver protocol overhead. ✅ The Debuggability King: When a test fails, you get a screenshot, a video, a readable stack trace, and even the state of your application. It’s like a dedicated detective for your test failures. ✅ Developer-Centric: It’s built by developers, for developers. The API is clean, the documentation is stellar, and the entire experience feels like a first-class part of your dev workflow. For me, the biggest win is confidence. Cypress gives me the confidence to ship faster, refactor boldly, and know that my application works as intended for the user. What’s your favorite Cypress feature? Are you on team Cypress or another framework? Let me know in the comments! 👇 #Cypress #Testing #SoftwareDevelopment #WebDevelopment #QA #EndToEndTesting #JavaScript #DevOps #DeveloperExperience #Frontend

⚡JavaScript: Event Loop One of the most important things in JavaScript is understanding the event loop. Call Stack → Executes code line by line. Callback Queue (Macrotasks) → setTimeout, DOM events. Microtask Queue → Promises, process.nextTick. Microtasks always run before macrotasks. That’s why a Promise callback runs before a setTimeout. Knowing this helps debug async issues that seem confusing at first glance. #JavaScript #Frontend #UI #Developer

😅 Ever clicked a button that just… does nothing? Here’s my quick debug checklist: 1️⃣ Is it visible & enabled? 2️⃣ Correct HTML attributes? 3️⃣ JavaScript event firing? 4️⃣ API call working? 5️⃣ Any config/deployment issues? 👉 A systematic check saves hours of guessing. 💬 What’s YOUR go-to trick when a button doesn’t work? #Debugging #WebDevelopment #Frontend #QA

Shipped: "Tooling Around React" - DevTools • VS Code • Snippets • Lint Rules • Code Metrics I just added a new section to my React Notes that focuses on the tools we use every day but rarely document well. What's inside - DevTools - Profiling re-renders, flamegraphs, component trees (when to memo, where time is spent). - VS Code Setup - Extensions, settings, format-on-save, path aliases, workspace tips. - Snippets - Reusable patterns for components, hooks, tests, and accessible UI. - Lint Rules - ESLint + react-hooks + jsx-a11y: what each rule guards, common fixes, and team presets. - Code Metrics - CC, cognitive complexity, churn, coupling, Web Vitals, bundle analysis - what they mean and how to act on them. 🔗 Live: https://lnkd.in/g7ZSe4WW 💻 Code: https://lnkd.in/gm8uURUf If this helps you or your team, a ⭐ on the repo would mean a lot! #React #Vite #JavaScript #Frontend #WebPerformance #ESLint #VSCode #DX #styledcomponents #WebDev

🚨 Cypress Secret Unlocked: Your tests can intercept and manipulate the fabric of spacetime! (Well, at least time itself). ⏰ Ever wanted to test how your app behaves on a specific date? Like checking a "Happy New Year 2025!" banner... in the start of September? Forget mocking your entire system clock. With Cypress, it's one line of code. How it works: cy.clock() tells Cypress to take control of all time-based functions in the browser—like Date, setTimeout, and setInterval. Why it's awesome: ✅ Ultra-fast: No need to wait for real timers. ✅ Super reliable: Test time-sensitive logic (animations, expiring sessions, holiday modes) instantly. ✅ It's just fun. You're basically a time lord for your tests. 🧳 Go try it! What other creative uses can you think of for cy.clock()? #Cypress #CypressIO #JavaScript #TypeScript #WebDevelopment #Frontend #QA #QAAutomation #SoftwareTesting #TestAutomation #DevOps #CI/CD #WebDev #Coding #Programming #Tech #SoftwareEngineering #Developer #TestingTools #QualityAssurance #DevTips #ProgrammingTips #TimeTravel

Let's talk about #Shadow_DOM 🧩 Ever spent hours fixing a style bug, only to realize… your changes broke another component? 😅 That was me—until I discovered #Shadow_DOM. Think of it as giving your component a private little world: • Styles inside stay inside 🛡️ • HTML structure is encapsulated 🏗️ • No more accidental conflicts 🎯 I wrapped a simple button in Shadow DOM once… and suddenly, everything just worked. Predictable, reusable, stress-free. Shadow DOM isn’t just a feature—it’s freedom for frontend developers. #JavaScript #FrontendDev #WebComponents #ShadowDOM #CleanCode #WebDevelopment

𝗖𝗼𝗻𝗳𝗲𝘀𝘀𝗶𝗼𝗻 𝘁𝗶𝗺𝗲 𝗳𝗼𝗿 𝗮𝗹𝗹 𝗺𝘆 𝗥𝗲𝗮𝗰𝘁 𝗱𝗲𝘃𝘀! 😅 𝗛𝗼𝘄 𝗺𝗮𝗻𝘆 𝘁𝗶𝗺𝗲𝘀 𝗵𝗮𝘃𝗲 𝘆𝗼𝘂 𝗯𝗮𝘁𝘁𝗹𝗲𝗱 𝗮 𝗿𝗼𝗴𝘂𝗲 𝘂𝘀𝗲𝗘𝗳𝗳𝗲𝗰𝘁 𝗵𝗼𝗼𝗸, 𝗼𝗻𝗹𝘆 𝘁𝗼 𝗿𝗲𝗮𝗹𝗶𝘇𝗲 𝘁𝗵𝗲 𝗱𝗲𝗽𝗲𝗻𝗱𝗲𝗻𝗰𝘆 𝗮𝗿𝗿𝗮𝘆 𝘄𝗮𝘀 𝘁𝗵𝗲 𝗰𝘂𝗹𝗽𝗿𝗶𝘁? This little array [] is everything for controlling side effects. 1. 𝗘𝗺𝗽𝘁𝘆 []: Runs once, like a true MVP. 2. 𝗦𝗽𝗲𝗰𝗶𝗳𝗶𝗰 [𝗱𝗲𝗽𝟭, 𝗱𝗲𝗽𝟮]: Re-runs only when those dependencies wave hello. 3. 𝗡𝗼 𝗮𝗿𝗿𝗮𝘆: Chaos! Runs after every render, inviting performance nightmares and infinite loops to your codebase party. Mastering this isn't just about cleaner code; it's about efficient applications and fewer head-scratching debugging sessions. What's your most memorable useEffect dependency array moment? Share below! 👇 #React #FrontendDevelopment #JavaScript #WebDevelopment #CodingTips #useEffect #ReactJS

Good code is great. Clear communication is even better.👨🏻💻 When you build a ticket booking system, small details matter: One missed requirement → thousands of frustrated users. So we made sure every request was heard and every update was on time.⏳ 💬 “All our requirements and concerns were carefully considered.” How? 📍 Daily updates & clear task tracking 📍 Friendly calls, real-time feedback 📍Support that doesn’t end when the code ships Your code is only as strong as your communication.📈 #WebDev #Frontend #HTML #CSS #JavaScript #KrastySoft #ClientSuccess #TicketBooking #ProductDev

Good code is great. Clear communication is even better.👨🏻💻 When you build a ticket booking system, small details matter: One missed requirement → thousands of frustrated users. So we made sure every request was heard and every update was on time.⏳ 💬 “All our requirements and concerns were carefully considered.” How? 📍 Daily updates & clear task tracking 📍 Friendly calls, real-time feedback 📍Support that doesn’t end when the code ships Your code is only as strong as your communication.📈 #WebDev #Frontend #HTML #CSS #JavaScript #KrastySoft #ClientSuccess #TicketBooking #ProductDev