Mohamed Sharfiras’ Post

Ever find yourself copying and pasting the same logic across multiple React components? It's a classic sign your codebase is getting messy. I used to have `useEffect` hooks for fetching data scattered everywhere. It was a nightmare to maintain. 😫 The game-changer for me was embracing 𝐜𝐮𝐬𝐭𝐨𝐦 𝐡𝐨𝐨𝐤𝐬. Instead of duplicating logic, I now abstract it into a reusable function, like `useFetch(url)`. This hook handles the loading state, the data, and any errors. The component just calls `const { data, loading, error } = useFetch('/api/users');` and it's done. 💡 It keeps my components clean, focused on the UI, and makes the logic super easy to test and update. 🚀 If you write a piece of logic more than once, turn it into a custom hook. Your future self will thank you. What small change made a huge impact in your workflow? #ReactJS #FrontendDevelopment #DeveloperTips

Still writing all your logic inside your React components? I’ve been there, and it gets messy fast. My "aha" moment came when a component hit 400 lines. It was a tangled mess of `useState` and `useEffect` hooks for fetching data, handling form state, and managing a timer. The real problem? It was impossible to test or reuse any of it. 🧠 The solution was simple: custom hooks. By extracting logic into functions like `useUserData()` or `useFormInput()`, my components became lean, readable, and focused only on the 𝐕𝐈𝐄𝐖. It’s a pattern that feels like a superpower for clean code. ⚡️ If you’re repeating stateful logic, extract it. Your future self will thank you. What small change made a huge impact in your workflow? #ReactJS #FrontendDevelopment #DeveloperTips

React 19 just made one of the biggest quality-of-life upgrades ever: data fetching without useEffect(). If you’ve been building with React for a while, you know the pain: You write useState to store data. You set up useEffect to fetch it. You pray your dependency array doesn’t break something. And then you still get that flicker between “loading” and “loaded.” React 19 changes that completely. Introducing use() — a brand-new hook that brings async fetching directly into the render phase. Here’s what that means: • React now pauses rendering when it encounters a Promise. • It waits for it to resolve without blocking the rest of the UI. • Once data arrives, it resumes rendering with the final content. No flicker. No double render. No manual states or effects. This changes everything about how we fetch data: • No more useEffect just for API calls • No local state to hold results • No dependency debugging • No try/catch — errors automatically flow to the nearest ErrorBoundary React 19’s use() makes async data a first-class part of rendering. Fetching, refetching, and error handling — all handled natively by React itself. Less boilerplate. More predictability. Cleaner UI flow. This is the React we always wanted. I’ve attached a visual breakdown to make it easier to understand. What’s your take? Does use() finally solve React’s biggest headache? #React19 #ReactJS #ReactHooks #WebDevelopment #FrontendDevelopment #JavaScript #Frontend #Coding #DeveloperExperience #ReactTips

🚀 Output Challenge #8 The Suspense Illusion Most developers know Suspense loads “smoothly.” But do you know what actually happens during concurrent rendering? 🤔 const fetchData = () => new Promise((resolve) => setTimeout(() => resolve("Data loaded!"), 1000)); const resource = { read() { const promise = fetchData(); throw promise; // suspense boundary catches this }, }; function DataComponent() { const data = resource.read(); return <p>{data}</p>; } export default function App() { return ( <React.Suspense fallback={<p>Loading...</p>}> <DataComponent /> </React.Suspense> ); } 🧩 Question: What’s rendered immediately on the screen? When does the DataComponent render? And what happens if fetchData rejects instead of resolving? 💬 Drop your answers + reasoning in the comments 👇(Hint: This is the foundation of React’s concurrent rendering model) #React #Nextjs #Suspense #Frontend #JavaScript #TypeScript #Performance #CleanCode #DeveloperCommunity #InterviewPreparation #WebDevelopment

🚀 React 19 is changing the way we write async code — Meet the use() hook! If you’ve ever struggled with fetching data using useEffect, managing loading states, or juggling multiple re-renders — this update is going to blow your mind 💥 React 19 introduces a new built-in hook called use(), which allows you to use asynchronous data directly inside your component. Here’s what it looks like 👇 async function getUser() {  const res = await fetch("/api/user");  return res.json(); } export default function Profile() {  const user = use(getUser());  return <h1>Hello, {user.name}</h1>; } ✅ No useState ✅ No useEffect ✅ No manual loading states React simply waits until the data is ready, then renders your component with the final result. 🧠 Why this matters This is more than a syntax sugar — it’s a shift in how React thinks about async rendering. React now “understands” async values natively, especially in Server Components (RSC). You write simpler code. React handles the async flow for you. 💡 The Future of React With features like use(), React is becoming more declarative, faster, and smarter. Less boilerplate. More focus on UI and business logic. 🔥 React is evolving. Are you ready to evolve with it? #React19 #JavaScript #WebDevelopment #Frontend #ReactJS #Programming

🚀 Redux vs Zustand vs Context API — Which One Should You Use? Many React devs get stuck choosing the right state management tool. Here’s a practical comparison that’ll save you time 👇 🧩 Context API ✅ Built-in, no extra setup. ❌ Every consumer re-renders when the context value changes. Best for: Small apps or static global data (like theme, user info). ⚙️ Redux (especially Redux Toolkit) ✅ Structured, predictable, and great for debugging. ✅ Mature ecosystem (Thunk, Saga, DevTools, etc). ❌ Slightly verbose, but worth it for complex logic. Best for: Medium to large apps with multiple data flows (auth, cart, analytics). ⚡ Zustand ✅ Lightweight, super fast, minimal boilerplate. ✅ Excellent performance — selective re-renders only. ❌ No strict structure, limited DevTools compared to Redux. Best for: Small to medium apps where simplicity and speed matter. --- 🧠 So why not use Zustand in large projects? Because in big codebases: It lacks structure — every dev can write state differently. Debugging tools are basic. Risk of accidental state mutation. Smaller ecosystem (fewer middlewares). In short: > Zustand = speed & simplicity Redux = structure & scalability --- 💡 Quick Rule of Thumb: Context → for small, static data Zustand → for small/medium apps Redux → for large, complex apps #ReactJS #Redux #Zustand #ContextAPI #WebDevelopment #Frontend #StateManagement #JavaScript #ReactDeveloper #CodingTips #TechCommunity #WebDev #SoftwareEngineering

⚛️ Hooks & Advanced State Management in React Today’s revision took me beyond useState — into how React actually handles complex data flows. Understanding how hooks manage logic, memory, and UI updates feels like unlocking React’s real power. Here’s what I explored 👇 🔹 Functions – Write clean, reusable logic. 🔹 Hooks – Make components reactive & data-driven. 🔹 Advanced State Management – Go beyond useState for complex apps. 💡 When to move beyond useState: Use useReducer when your component has multiple, related state updates. Use Context API for data that needs to be shared across components. Use Zustand when you want lightweight, global state management without Redux complexity. Example with Zustand: import { create } from 'zustand' const useStore = create((set) => ({ count: 0, increment: () => set((state) => ({ count: state.count + 1 })) })) Clean, minimal, and surprisingly powerful ⚡ The deeper I go, the more I realize — React isn’t just about UI. It’s about managing change efficiently. #ReactJS #Zustand #StateManagement #FrontendDevelopment #WebDevelopment #JavaScript #BuildingInPublic #100DaysOfCode #CodingJourney

Are you tired of your Node.js functions looking like a tangled web of 'if/else if' statements, each branch trying to handle a slightly different business rule? 😫 I’ve been there – building payment processing logic that quickly became a debugging nightmare. That’s where the 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝘆 𝗣𝗮𝘁𝘁𝗲𝗿𝗻 shines. It’s not just academic; it’s a lifesaver for managing complex, varied logic in a clean, maintainable way. Instead of conditional spaghetti, you define a family of algorithms, encapsulate each one, and make them interchangeable. In my experience, this dramatically boosts 𝗰𝗼𝗱𝗲 𝗰𝗹𝗮𝗿𝗶𝘁𝘆 and reduces the cognitive load when onboarding new team members. Node.js, with its functional paradigms, makes implementing this pattern especially elegant and lightweight. You can swap out behaviors at runtime with minimal fuss. I've used it effectively for everything from different notification delivery methods to varying data validation pipelines. It truly makes your services more robust and easier to scale. I've included a simple code example in the comments to illustrate the concept clearly. How do you handle diverse, conditional logic in your Node.js applications? What patterns have you found most effective? Share your insights below! 👇 #Nodejs #SoftwareDesign #DesignPatterns #BackendEngineering #TechLeadership

🧠 If you're a front end dev and don’t fully get JSON yet… you’re flying blind. Here’s why JSON isn’t just data, it’s the backbone of your front end. It’s how your app talks to APIs, stores state, configures features, and passes info everywhere. JSON (JavaScript Object Notation) is universal, human-readable, and language-agnostic. But it’s also stricter than it looks. -No comments -No trailing commas -No functions -Duplicate keys? Undefined behaviour -Dates? Just plain strings -Parse errors? App crash 🧩 In JavaScript, we use: JSON.parse() // from string → object   JSON.stringify() // from object → string But you must be careful: ✅ Always wrap response.json() in try/catch ✅ Validate data (with JSON Schema or Zod) ✅ Align JSON contracts early with your backend ✅ Post-process dates or special types after parsing Why does it matter? Because strong JSON skills help you: -Decode API payloads confidently -Shape state & configs with clarity -Debug faster and write safer front end code 🚀 Want to dive deeper into front end best practices? 👉https://lnkd.in/gP7p5U8i #frontenddevelopment #webdevelopment #javascript #json #apidevelopment 

React has evolved so much that the ecosystem can feel overwhelming — UI libraries, CSS-in-JS tools, data layers, build tools, testing libraries, and so on. I recently visualized the React ecosystem and architecture for 2024, organizing it into key layers: 🧱 Foundation layer: TypeScript, Vite, Next.js, Rollup 🧩 Data & API layer: Redux Toolkit, XState, TanStack Query, Axios 🎨 UI layer: Tailwind CSS, Emotion, Material UI, Storybook 🧪 Testing layer: Jest, React Testing Library, Vitest ⚙️ DX & Utility layer: ESLint, Prettier, Formik, Husky Seeing it layered like this helps understand how each tool fits in your stack — and what’s actually worth learning next. Some of frontend developers try to learn more technologies in same domain but idea is you just need some from every domain. For a perfect architecture setup you just need one best in industry standard library that is widely acceptable and is going on in most of the companies so that you don't be surprised when you switch or see someone else code. Pick one or two from the vast domain of React ecosystem and build yourself a best architecture of React like for example for a medium size e-commerce platform the best tech stack will be: - Next.js as the foundation - RTK as the data management library - TanStack as the data-fetching library - Material UI with MUI as the styling library 🔍 Curious — if you were building a modern production app today, which stack would you pick? #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #SoftwareEngineering #TypeScript #Vite #NextJS