Refactored React Project with Context API for Cleaner Code

React Hooks changed the way we write components — simpler, cleaner, and more powerful. 🚀 Before Hooks, managing state and side effects in class components often meant juggling lifecycle methods and complex logic. With Hooks like useState, useEffect, and useContext, we can now: ✔ Manage state in functional components ✔ Handle side effects in a predictable way ✔ Reuse logic through custom hooks ✔ Write more readable and testable code Hooks encourage us to think in terms of logic reuse rather than component hierarchy. They make our codebase more modular and easier to maintain. If you’re working with React today, mastering Hooks isn’t optional — it’s essential. smartData Enterprises Inc. Suman Mandal Srishti Pandit Jeevna Thakur #React #JavaScript #WebDevelopment #Frontend #Hooks #smartDataEnterprisesInc

Thinking setTimeout(fn, 0) runs the code "immediately"? Think again. 🏃♂️💨 It’s one of the most common tricks in the JavaScript book. You want to defer a task, so you use a zero-millisecond timeout. But if you’re building high-concurrency Node.js APIs or complex Frontends, you need to know exactly where your code is going in the Event Loop. The Hierarchy of "Now": Current Execution: What’s running right now. process.nextTick() (Node only): The "VIP lane." It runs immediately after the current operation, before the event loop continues. Promise.then() (Microtasks): The "fast track." Runs before the browser paints or the next loop tick. setTimeout(fn, 0) (Macrotasks): The "back of the line." It has to wait for the entire turn of the event loop. Why this matters for APIs: If you use process.nextTick recursively, you can actually starve your I/O—meaning your API stops accepting new requests because it's too busy clearing the "VIP lane." Seniority is knowing not just how to write code, but when it actually executes. 👇 nextTick vs setImmediate — which one do you reach for when the Event Loop gets crowded? #JavaScript #NodeJS #EventLoop #WebDev #Backend #SoftwareEngineering #adarshjaiswal

React stale state is not a bug. It’s us (and closures). I used to think React was “randomly” giving me old state. Turns out, it wasn’t React at all. In JavaScript, when a function is created, it freezes the values around it. That’s a closure. Whatever the state was at that moment — that’s what the function remembers. React just makes this more obvious. Every render creates a new version of your functions. But if you write useEffect(() => { ... }, []), you’re basically saying: “Hey React, keep using the first version forever.” So yeah — your effect runs, your handler fires… but it’s talking to state from the past. That’s the “stale closure” everyone trips over. For years we’ve dealt with this by: tweaking dependency arrays throwing values into useRef or just disabling the linter and moving on Recently, I’ve been liking the direction of useEffectEvent — it lets an effect run when it should, but still read the latest state without hacks. Big takeaway for me: If your hook is ignoring dependencies, it’s not optimized — it’s just outdated. Curious how others are handling this in real codebases 👇 Still useRef, or trying newer patterns? P.S : For more information on this topic , please read out my blog at medium https://lnkd.in/gDY6ZSgf #React #JavaScript #Frontend #Engineering

One practice a day keeps the bugs away. Vercel’s React best practices might be the most useful release of 2026 so far. Not because they’re new. But because they expose What most React code gets wrong. "I learned this the hard way. I was shipping features fast. Components everywhere. Hooks everywhere." And still: - Random re-renders - State bugs I couldn’t explain - Performance issues that felt “invisible” You tried the usual fixes. More memo. More abstraction. More libraries. It only made things worse. The problem wasn’t React. It was how you was using it. Here’s the core idea they push: Treat React like a system. Not a dumping ground. The result? Less debugging. Less mental load. More confidence when shipping. The takeaway (steal this): If you want fewer bugs in React: 1. Follow conventions before abstractions 2. Respect the render lifecycle 3. Push work to the server when possible 4. Optimize after correctness One practice a day. That’s all it takes. So stop skimming best practices. Start injecting them into your code’s veins. Save this. Bookmark it. Share it with a React dev who’s tired of chasing ghosts. #react #javascript #web

React Hooks Explained | useState, useEffect & Performance Hooks I’m creating a React Hooks video series where I explain how hooks solve real-world problems in functional components. 📌 Topics covered in this series: • useState – state management • useEffect – lifecycle methods explained • React.memo – prevent unnecessary re-renders • useCallback – memoize functions • useMemo – optimize expensive calculations • useRef – persist values without re-render • Custom Hooks – reusable logic across components This series focuses on performance optimization, clean code, and better React architecture—ideal for beginners and developers leveling up their React skills ⚛️🚀 🎥 Watch the full React Hooks series here: [https://lnkd.in/dDBbGyb2] #ReactJS #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #PerformanceOptimization

Is the era of manual React optimization finally over? ⚛️ With the release of React 19, the team hasn't just added features; they’ve fundamentally changed how we write code. The focus has shifted toward "Performance by Default," allowing us to spend less time on boilerplate and more time on the features that matter. What’s changing for you? The React Compiler: This is the big one. It automatically manages memoization, meaning you can stop overthinking useMemo and useCallback. Actions & useTransition: Say goodbye to manually handling isLoading and isPending states for every form submission. React now handles the lifecycle of your data mutations natively. The 'use' Hook: A cleaner way to consume Promises and Context directly during render. It makes async code feel much more "synchronous" and readable. Better Document Metadata: No more third-party libraries just to update a page title or meta tag. It’s now built right into the component lifecycle. React 19 makes the framework feel Smarter, Faster, and Simpler. Are you planning to migrate your existing projects, or starting fresh with these new patterns? Let’s talk about it in the comments! 👇 #ReactJS #WebDevelopment #JavaScript #FrontendEngineering #React19 #SoftwareDevelopment #TechTrends

🚀 Level Up Your React Components with SOLID Principles! 🚀 Writing scalable and maintainable React applications isn’t just about hooks and components. It’s about architecture. In my latest blog post, I break down how the SOLID design principles, traditionally rooted in OOP, can dramatically improve your React code by making it: ✅ Easier to maintain ✅ Simpler to test ✅ Clearer to extend ✅ More reusable From Single Responsibility to Dependency Inversion, I walk through real examples and practical techniques you can apply today. 🔗 Link in the comments 👇 Whether you’re building small UIs or large scale applications, adopting SOLID principles will help you write cleaner, more robust code that stands the test of time. 🙌 Let me know which principle you find most useful in your projects 👇 #React #WebDevelopment #CleanCode #SoftwareEngineering #SOLIDPrinciples #JavaScript #Frontend

⚛️ When NOT to Use React Hooks React Hooks are powerful, but using them everywhere is not always the best choice. While building and refactoring components, I learned that knowing when not to use a hook is just as important as knowing how to use one. Here are some real cases where I avoid hooks: ❌ Don’t use useEffect for derived data If a value can be calculated from props or state, it doesn’t belong in useEffect. ❌ Don’t use useState for static values Constants and fixed values don’t need a state. ❌ Don’t use useMemo or useCallback prematurely Optimization hooks should solve real performance issues—not be added by default. ❌ Don’t use useRef to control UI Refs are for storing mutable values, not for triggering re-renders. ❌ Don’t add hooks just because you can Cleaner logic always beats more hooks. ✨ Key lesson: Good React code is not about using more hooks — it’s about writing simpler, more predictable components. How do you decide when a hook is really needed? #React #ReactHooks #WebDevelopment #JavaScript #Frontend #CleanCode #LearningJourney

⚛️ When NOT to Use React Hooks React Hooks are powerful, but using them everywhere is not always the best choice. While building and refactoring components, I learned that knowing when not to use a hook is just as important as knowing how to use one. Here are some real cases where I avoid hooks: ❌ Don’t use useEffect for derived data If a value can be calculated from props or state, it doesn’t belong in useEffect. ❌ Don’t use useState for static values Constants and fixed values don’t need a state. ❌ Don’t use useMemo or useCallback prematurely Optimization hooks should solve real performance issues—not be added by default. ❌ Don’t use useRef to control UI Refs are for storing mutable values, not for triggering re-renders. ❌ Don’t add hooks just because you can Cleaner logic always beats more hooks. ✨ Key lesson: Good React code is not about using more hooks — it’s about writing simpler, more predictable components. How do you decide when a hook is really needed? #React #ReactHooks #WebDevelopment #JavaScript #Frontend #CleanCode #LearningJourney

🔸 This is the checklist I follow when reviewing pull requests in a React codebase 1️⃣ DRY Principle (Don’t Repeat Yourself) If the same logic or JSX appears multiple times, extract it into a helper function or a reusable component to reduce bugs and improve maintainability. 2️⃣ Inline CSS & Styling Practices Inline styles may be quick, but they hurt readability, reusability, and theming. I prefer CSS modules, styled components, or well-structured class names. 3️⃣ Console Logs in Production Code console.log looks harmless, but it can pollute logs, slow down apps, and make real issues harder to trace. They should be removed or guarded behind environment checks. 4️⃣ Props Flow Between Parent & Child Too many props usually indicate tight coupling or prop drilling. This is often a sign that component boundaries or state placement need rethinking. 5️⃣ useEffect Dependencies & Side Effects Incorrect dependency arrays can cause stale data, extra re-renders, or subtle bugs. 6️⃣ Keys in Lists Missing or unstable keys break React’s reconciliation and can lead to weird UI issues. Indexes should be avoided unless the list is truly static. 7️⃣ Error Handling & Edge Cases What happens if the API fails, returns empty data, or unexpected values? Production-ready code handles unhappy paths gracefully. 8️⃣ Performance Red Flags I look for unnecessary re-renders, heavy computations inside render, and missing memoization where it actually matters. 9️⃣ Naming & Readability Good code explains itself. Clear naming, small focused components helps a lot What do you usually look for while reviewing React PRs, Let me know in the comments! #reactjs #nextjs #javascript #technology #codereview #softwareengineering #technology #userexperience #programming #ig