Vite 8 is here, and this is not just a version bump. The entire engine has changed. Previously Vite used two separate bundlers, esbuild in dev and Rollup in production. Different pipelines, different behavior. That is why builds would work in dev and silently break in production. Vite 8 ships with a single bundler, Rolldown, built in Rust. Same pipeline for dev and prod. No more inconsistencies. The numbers speak for themselves — → Linear's build: 46 seconds → 6 seconds → One user reported: 12 minutes → 2 minutes And for React developers — Babel is gone. OXC Transforms now handles everything. Smaller installs, faster hot reload. Have you upgraded yet? What difference did you see in build time? Drop it in the comments 👇 Follow for more frontend updates and dev insights 🚀 #Vite8 #ReactJS #WebDevelopment #FrontendDevelopment #JavaScript #DevTools #WebPerformance #LinkedInTech #CareerGrowth

🚀 Vite 8 is finally here… and it’s a BIG shift. But here’s the truth most people aren’t talking about 👇 👉 Yes, it introduces **Rolldown + Oxc (Rust-powered tooling)** 👉 Yes, builds can be faster ⚡ 👉 BUT… migration is not “plug & play” 💥 Major changes: • esbuild → deprecated • rollupOptions → now rolldownOptions • CJS behavior changed (can break imports) • Plugin ecosystem still catching up 🧠 Reality: This is not just an upgrade… it’s a **mental model change** in how Vite works. ⚠️ Before upgrading: ✔ Check your plugins compatibility ✔ Test CommonJS imports carefully ✔ Be ready to tweak configs 💡 My take: Vite 8 is the future — but **not every project should rush today** 👉 Move fast… but don’t break your build 😄 --- Are you upgrading to Vite 8 or waiting? Drop your thoughts 👇 #vite #javascript #reactjs #webdevelopment #frontend #nodejs #programming #developers #bun

I built a full React Playground where you can write, compile, and preview React code right in the browser. Built the whole thing by vibe coding with Claude. You open it, write React components with JSX, hit Run, and see your output live. Console captures logs, warnings, and errors in real time. No setup, no npm install. Just write and run. The interesting part was the editor choice. I started with Monaco Editor (the engine behind VS Code) for its autocomplete and IntelliSense. But while working through exercises, I found CodeMirror handled some cases better, especially around lightweight embedding and custom keybindings. So instead of picking one, I added a toggle to switch between both editors while coding. Same file, same state, different editing experience. What it includes: → VS Code Dark+ themed interface with file explorer and tabbed editing → Switch between Monaco Editor and CodeMirror on the fly → Live preview with sandboxed iframe rendering (React 18 + Babel) → Console panel that captures everything from your running code → Drag and resize any panel to fit your workflow → Multi-file support with create, switch, and delete → Keyboard shortcuts for running, saving, and indentation Tech stack: React + Vite, Monaco Editor, CodeMirror, Deployed on Vercel. I built this because I've been practicing React concepts and wanted a focused space to run exercises without spinning up local projects each time. Something minimal and purpose-built for practice. The architecture, the compiler utility that strips ES module syntax and wires up Babel, the context-based state management, all came together through iterating with Claude. You still need to know what you're building and why, but the speed of going from idea to deployed product is genuinely different with AI-assisted development. Try it out: https://lnkd.in/gBNQEw42 #ReactJS #VibeCoding #Claude #DeveloperTools #Frontend #BuildInPublic

React System Design – Day 10: Hooks and Their Rules Hooks are the backbone of modern React development. They let us write cleaner, more reusable, and more functional code. But with great power comes great responsibility — and React enforces some strict rules to keep things predictable.  The Two Golden Rules of Hooks Only call Hooks at the top level Don’t call them inside loops, conditions, or nested functions. This ensures React can preserve the correct state across re-renders. Only call Hooks from React functions Hooks must be used inside functional components or custom Hooks. Never call them in regular JS functions or class components.  Why These Rules Matter They guarantee consistent order of execution. They prevent bugs where state or effects get mismatched. They make debugging and reasoning about components much easier.  Commonly Used Hooks useState → Manage local state useEffect → Handle side effects useContext → Share data without prop drilling useReducer → Complex state management useMemo & useCallback → Performance optimizations  Takeaway: Mastering Hooks isn’t just about knowing them — it’s about respecting their rules. That’s what makes React apps scalable and maintainable. #React #SystemDesign #Frontend #Hooks #JavaScript #WebDevelopment

Updates and Tech Stack in Cassa UI ! Link to docs - https://lnkd.in/g3w5hmwx Just shipped v0.1.4 of Cassa UI. Every project scaffolded with 'npx create-cassa-ui@latest' now includes a GitHub Actions CI workflow out of the box. Lint. Type check. Build. Runs on every push and every PR. Nothing to configure. Here's the full stack you get when you scaffold: React 19 — where the ecosystem is heading Next.js 16 App Router — server components from day one TypeScript strict — no silent any across packages Tailwind CSS — no naming things, no dead CSS Style Dictionary — one token file, everything updates CVA — typed component variants, no ternary walls React Hook Form + Zod — forms done right, once TanStack Query — server state handled properly Recharts — charts that fit your component tree Turborepo — only rebuilds what changed GitHub Actions — CI included, not an afterthought One command. Production-ready monorepo. npx create-cassa-ui@latest Below you can find the working and workflow of Cassa. Check it out. #javascript #typescript #react #nextjs #webdev #technology #startups #creative #frontend #opensource #devtools #monorepo #reactdeveloper #tailwindcss #devcommunity #programming #dev

💻 5 React mistakes I stopped making (and it improved my code a lot) When I started with React, I used to write code that worked… But not code that was clean, scalable, and maintainable. Here are 5 mistakes I fixed: ❌ 1. Writing everything in one component 👉 Now I break UI into small reusable components ❌ 2. Ignoring proper state management 👉 Learned when to use useState vs useEffect vs lifting state ❌ 3. Not handling performance 👉 Started using memoization (useMemo, useCallback) ❌ 4. Poor folder structure 👉 Now I follow a clean project structure ❌ 5. Debugging randomly 👉 Now I debug step-by-step with proper logs Small changes… but huge difference in code quality 🚀 Still learning every day 👨💻 Which mistake did you make the most? 😅 #ReactJS #FrontendDevelopment #JavaScript #CleanCode #WebDevelopment #SoftwareEngineer

💎 React 19's Must-Know Concepts: The Essential Cheat Sheet Are you up to speed with the latest in React? Whether you are a senior dev or just starting, staying sharp with core patterns is the key to clean, maintainable code. In his latest article, Jaime Garcia breaks down the fundamental building blocks of modern React development. What you’ll master in this guide: 📂 Component Architecture: Why Function Components and Props are the standard for 2026. 📂 State & Side Effects: Deep dives into useState and useEffect (client-side vs. server-side). 📂 Clean UI Patterns: Mastering Fragments, Nesting, and the children prop. 📂 Advanced Flow: Handling Arrays, Controlled Elements, and the power of Context to stop "Prop Drilling." 🎯 React isn't just about writing code; it's about understanding the rendering lifecycle. This cheat sheet is your roadmap to building better UIs. 👉 Level up your React game—read the full guide here: https://lnkd.in/djJD2_dx #ReactJS #JavaScript #WebDev #React19 #CodingTips #SoftwareArchitecture #iJSConf

CRA ➔ Vite: Migration Complete 🛠️ I recently led the effort to modernize our frontend build system by migrating a legacy React application to Vite. The goal was simple: eliminate technical debt and improve developer experience and speed. Key highlights of the migration: Architecture Shift: Moved from Webpack to Vite’s native ES module architecture. Asset Management: Refactored environment variable handling and static asset paths. Codebase Cleanup: Standardized component files to .jsx and updated Tailwind CSS configurations. Dependency Management: Audited and upgraded legacy packages to ensure compatibility with the Vite ecosystem. The Results: 🚀 Near-instant Dev Server startup. 🔥 Lightning-fast Hot Module Replacement (HMR). 📦 Drastically improved build performance. 🆙 Support for the latest versions of modern dependencies. The outcome is a significantly more responsive development environment and a future-proofed build pipeline. Modernizing the "bones" of a project is just as important as the features we build on top of them. #JavaScript #ReactJS #Vite #WebDevelopment #Programming #SoftwareArchitecture #FrontendDevelopment

Mastering React State with Hooks Ever felt like your React components are getting cluttered with too much state logic? Here’s a simple idea that can seriously clean things up: Custom Hooks What’s the big deal? Custom hooks let you extract and reuse stateful logic across components. Instead of repeating the same `useState` and `useEffect` logic everywhere, you write it once—and reuse it. Can they really halve your code? In many cases… YES. Imagine this: Instead of writing the same logic in 5 components, you move it into a custom hook like `useFetchData()` or `useFormHandler()`. Now you: Reduce duplication Make components cleaner Improve readability Make debugging easier Simple Example Before: Each component handles its own API call logic After: One custom hook handles everything Components just use it Why you should start using them Keeps your code DRY (Don’t Repeat Yourself) Makes scaling your app easier Encourages better structure Pro Tip Start small. Pick one repeated logic (like form handling or API calls) and convert it into a custom hook. #React #WebDevelopment #Frontend #JavaScript #Coding #SoftwareDevelopment