Tree Shaking: Why Your Bundle Size Shrinks After Production Build

🚀 Vite 8 Just Dropped And It’s More Than a Version Update Vite 8 isn’t just an incremental release it introduces a major engine change that directly impacts developer experience and build performance. Previously, Vite relied on two different bundlers: • ESBuild for development • Rollup for production This meant separate pipelines and sometimes inconsistent behavior code working perfectly in dev but failing in production. ✅ What’s new in Vite 8? • A single bundler: Rolldown (built in Rust) • Same pipeline for both dev and production • More predictable builds • Significant performance improvements 📊 Real-world results are impressive: • Linear reduced build time from 46s → 6s • Some developers report 12minute builds → ~2 minutes ⚛️ Bonus for React developers The React plugin (v6) removes Babel and introduces OXC transforms, leading to: • Smaller installations • Faster refresh times • Improved overall performance This release shows a clear direction toward faster tooling powered by Rust-based infrastructure. Have you upgraded to Vite 8 yet? What changes did you notice in build time or developer experience? #Vite #JavaScript #WebDevelopment #Frontend #ReactJS #DeveloperExperience #BuildTools

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

Most React devs use hooks daily… But a lot of us are using them wrong (or at least inefficiently). Here are 5 React Hooks you're probably misusing 👇 1. useEffect: Doing too much If your useEffect looks like a mini backend service… that’s a red flag. 👉 Keep it focused: one responsibility per effect. 👉 Avoid unnecessary dependencies (or missing ones 😬). 2. useState: Over-fragmenting state Multiple useState calls for tightly related data = messy logic. 👉 Consider grouping related state into one object 👉 Or use useReducer for complex flows 3. useMemo: Premature optimization Not everything needs memoization. 👉 If your calculation is cheap, skip it 👉 Overusing useMemo can hurt readability more than it helps performance 4. useCallback: Blind usage Wrapping every function in useCallback ≠ optimization 👉 Only use it when passing functions to memoized components 👉 Otherwise, you're just adding complexity 5. useRef: Misunderstood power It’s not just for DOM access 👉 Great for persisting values without re-renders 👉 Perfect for timers, previous values, or mutable variables 💡 Rule of thumb: If you can’t clearly explain why you're using a hook… you probably don’t need it. What’s a hook mistake you’ve made (or still make)? 😄 #React #WebDevelopment #Frontend #JavaScript #Programming #CodingTips

Boost Your Productivity with These 3 VS Code Extensions As a developer, having the right tools can make a huge difference. Here are 3 VS Code extensions I use daily to stay efficient and write clean code: ⚡ Live Server Instantly launches your project on localhost with auto-reload — perfect for quick frontend development with Vanilla JS. 🔍 GitLens Supercharges Git inside VS Code. Track changes, view commit history, and understand who modified what — all without leaving your editor. 🎨 Prettier Automatically formats your code on save, keeping everything clean, consistent, and easy to read. 💡 Simple setup, powerful workflow: Code → Save → Auto format → Auto reload → Track changes Sometimes, you don’t need heavy frameworks — just the right tools. #VSCode #WebDevelopment #JavaScript #DeveloperTools #Productivity #CodingLife

You wrapped your component in React.memo… but it still re-renders 🤔 I ran into this more times than I’d like to admit. Everything looks correct. You’re using React.memo. Props don’t seem to change. But the component still re-renders on every parent update. Here’s a simple example: const List = React.memo(({ items }) => { console.log('List render'); return items.map(item => ( <div key={item.id}>{item.name}</div> )); }); function App() { const [count, setCount] = React.useState(0); const items = [{ id: 1, name: 'A' }]; return ( <> <button onClick={() => setCount(count + 1)}> Click </button> <List items={items} /> </> ); } When you click the button the List still re-renders. At first glance, it feels wrong. The data didn’t change… so why did React re-render? The reason is subtle but important: every render creates a new array. So even though the content is the same, the reference is different. [] !== [] And React.memo only does a shallow comparison. So from React’s perspective, the prop did change. One simple fix: const items = React.useMemo(() => [ { id: 1, name: 'A' } ], []); Now the reference stays stable and memoization actually works. Takeaway React.memo is not magic. It only helps if the props you pass are stable. If you create new objects or functions on every render, you’re effectively disabling it without realizing it. This is one of those bugs that doesn’t throw errors… but quietly hurts performance. Have you ever debugged something like this? 👀 #reactjs #javascript #frontend #webdevelopment #performance #reactperformance #softwareengineering #programming #coding #webdev #react #typescript

🚀 Just checked out Vite 8 + AI… and honestly, it feels crazy fast. At first, I used to think Vite was just another dev server. But after exploring it more, it’s actually way more powerful. Here are a few things I noticed 👇 ⚡ Builds feel much faster — even big projects start quickly 🧠 Dependency handling seems smoother (less random issues 😅) 📦 SSR support is better now, which is pretty cool 🔌 Plugins are improving and easier to work with 🛠️ Overall dev experience feels cleaner and less frustrating 💻 One thing I really liked: Frontend errors now show directly in the VS Code terminal (Browser Forward Console). Earlier I had to check the browser console, but now everything is in one place — makes debugging much easier. 📂 Also, TypeScript path aliases are supported better now. No more messy imports like ../../components — cleaner and easier to manage. 💭 What I liked the most: Hot reload + fast builds = less waiting, more coding. Still exploring it, but Vite 8 definitely feels like a solid upgrade. If you're working with React, Vue, or modern JS — you might want to give it a try. Has anyone else tried Vite 8 yet? What do you think? #Vite #Frontend #JavaScript #WebDev #React #Vue

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

Day 15 : Expanding my React toolkit: Building Reusable Components 🚀 I just wrapped up a project focused on mastering Props and Mapping in React. ⚛️ I built a dynamic Price Card component that efficiently renders data from an array, ensuring the code remains DRY (Don't Repeat Yourself) and scalable. Key features: • Functional Components with modern ES6 syntax. • Dynamic data rendering using the .map() method. • Responsive CSS styling for a clean UI/UX. Continuing to push my front-end boundaries! What’s your favorite way to structure components in React? #ReactJS #WebDevelopment #CodingJourney #FrontEnd #JavaScript #Programming #AmarjeetSir Gravity Coding

🚀 5 React Mistakes I Made as a Beginner (And How to Fix Them) When I first started building with React, I made a lot of mistakes that slowed me down and introduced bugs I couldn't explain. Here are 5 of the most common ones — and how to fix them: ❌ #1 — Not cleaning up useEffect Forget to return a cleanup function? Hello, memory leaks. ✅ Always return a cleanup for timers, event listeners, and subscriptions. ❌ #2 — Using index as a key in lists This breaks React's reconciliation and causes weird UI bugs. ✅ Always use a unique ID from your data as the key prop. ❌ #3 — Calling setState directly inside render This creates an infinite re-render loop. ✅ Keep state updates inside event handlers or useEffect only. ❌ #4 — Fetching data without handling loading and error states Your UI breaks or shows nothing while data loads. ✅ Always manage three states: loading, error, and success. ❌ #5 — Putting everything in one giant component Hard to read, hard to debug, impossible to reuse. ✅ Break your UI into small, focused, reusable components. These mistakes cost me hours of debugging. I hope sharing them saves you that time. If you found this helpful, feel free to repost ♻️ — it might help another developer on their journey. 💬 Which of these mistakes have you made? Drop a comment below! #React #JavaScript #WebDevelopment #Frontend #MERNStack #ReactJS #100DaysOfCode #CodingTips #Developer