Master React's use() Hook for Next.js Server Components

Sometimes, the simplest solution is just good old-fashioned server-side routing. We talk a lot about client-side routing in React/Vue, but handling dynamic routes in the backend with Express.js is arguably the cleanest implementation out there. If you need to build a personalized endpoint—like simulating a login for /dashboard/:username—you don't need complex config files. You just need the colon syntax. Here is the pattern I use for quick dynamic endpoints: 1) The Route Definition Use the colon (:) to tell Express that username is a variable, not a literal string. 2) The Extraction Express automatically maps that segment into the req.params object. No parsing required. JavaScript const express = require('express'); const app = express(); // The dynamic route app.get('/dashboard/:username', (req, res) => { // 1. Capture the parameter const { username } = req.params; // 2. Simulate logic (DB lookup, Auth check, etc.) console.log(`Processing login for: ${username}`); // 3. Return personalized response res.json({ status: 'success', message: `Welcome to your dashboard, ${username}!`, timestamp: new Date() }); }); app.listen(3000, () => console.log('Server ready ')); It’s readable, testable, and reliable. Pro-tip: Don't forget to add a regex validator if you want to restrict what that username can look like (e.g. /dashboard/:username(\\w+)). Backend devs—do you prefer handling this logic at the gateway level or right inside the controller? #expressjs #nodejs #backenddevelopment #api #webdev #javascript

Ever encountered a memory leak in Node.js that feels like finding a needle in a haystack? Here's one that baffled me recently. Imagine a scenario where your Node.js app keeps hogging more memory over time. Despite your best debugging efforts, you can’t pin down the culprit. One potential sneaky devil? EventEmitter's 'max listeners' in your async workflows. Here's the setup: You've got an event-based system where listeners are dynamically added within async functions. But every time the async block runs, a new listener is added without removing the old ones. Over time, these accumulate silently, causing memory bloat. Here's a minimal example: ```javascript const EventEmitter = require('events'); const emitter = new EventEmitter(); async function fetchData() { emitter.on('data', dataHandler); // Fetch some data... // Don't forget to clean up! emitter.removeListener('data', dataHandler); } function dataHandler(data) { console.log(data); } ``` The oversight? Forgetting to remove listeners. If the `removeListener` isn't there, your listeners will multiply like rabbits. Why's it hard to spot? The leak creeps up slowly and doesn’t trigger immediate alarms. You might only notice when your server starts begging for more memory. How do we avoid this? Always ensure that listeners are deregistered after use, especially in loops or async operations. Alternatively, use `once()` if the listener is intended to run a single time. Memory issues are always a pain, but knowing where to look is half the battle. Have you wrestled with similar memory gremlins? Share your stories or tips below! #JavaScript #NodeJS #MemoryLeak #JavaScript #NodeJS #MemoryLeak

So you wanna build a killer data grid in your React app. It's a great idea - and I'm here to tell you that Smart React Grid is the way to go. This thing is packed with all the essential features you need, like sorting, filtering, pagination, and editing. It's like having a superpower in your coding toolkit. First things first, you gotta make sure you've got the right setup. You'll need Node.js version 14.0 or higher, a package manager like npm, yarn, or pnpm, and a React project that's running version 17 or higher. Oh, and don't forget some basic knowledge of React hooks - specifically useState - and a solid grasp of JavaScript or TypeScript. Easy peasy, right? It's a must. Then you can install Smart React Grid using your preferred package manager - just run one of these commands: npm install smart-webcomponents-react, yarn add smart-webcomponents-react, or pnpm add smart-webcomponents-react. Next up, you'll need to import the CSS styles in your main application file. This is where the magic happens, folks. Now, let's talk about a simple example - create a data source array with objects, define some columns with labels, data fields, and widths, and then use the Grid component with dataSource and columns props. Boom! That's it. You can enable all sorts of features like sorting, filtering, and pagination through props, and even customize the grid with built-in themes and options. It's like playing with Legos, but instead of blocks, you're working with code. Some key concepts to keep in mind: columns are like the table structure, with labels, data fields, and options - think of it like building a house, you need a solid foundation. Then there's the data source, which is just an array of objects where each object represents a table row. Features are where you enable all the cool stuff like sorting and filtering, and styling is where you make it look pretty with built-in themes and customization options. It's pretty cool. For more info, check out the official documentation: https://lnkd.in/gH-y-2Mk Optional learning community: https://lnkd.in/gG5uTsCY #React #DataGrid #SmartReactGrid #Innovation #Creativity #Strategy

⚡ 𝗪𝗵𝘆 𝗜 𝗦𝘄𝗶𝘁𝗰𝗵𝗲𝗱 𝘁𝗼 𝗧𝗮𝗻𝗦𝘁𝗮𝗰𝗸 𝗥𝗲𝗮𝗰𝘁 𝗤𝘂𝗲𝗿𝘆 𝗳𝗼𝗿 𝗔𝗣𝗜 𝗖𝗮𝗹𝗹𝘀 𝗶𝗻 𝗠𝘆 𝗢𝗻𝗴𝗼𝗶𝗻𝗴 𝗠𝗘𝗥𝗡 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 Manually managing API calls sounds simple… until you’re dealing with loading states, error handling, caching, refetching, and keeping data consistent across multiple components. In my ongoing MERN stack project, manual API handling started causing unnecessary re-renders, repeated API calls, memory overhead, and slower performance as the app scaled. That’s when I decided to switch to 𝗧𝗮𝗻𝗦𝘁𝗮𝗰𝗸 𝗥𝗲𝗮𝗰𝘁 𝗤𝘂𝗲𝗿𝘆 — and it completely changed how I manage server state in React. Here’s what stood out 👇 🧠 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗰 𝗖𝗮𝗰𝗵𝗶𝗻𝗴 & 𝗗𝗮𝘁𝗮 𝗦𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻: React Query intelligently caches API responses and keeps data in sync — without writing extra logic. 🔄 𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗥𝗲𝗳𝗲𝘁𝗰𝗵𝗶𝗻𝗴 & 𝗕𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱 𝗨𝗽𝗱𝗮𝘁𝗲𝘀: Data stays fresh automatically, eliminating the need to manually re-fetch APIs after every interaction. ⚡ 𝗕𝗲𝘁𝘁𝗲𝗿 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲, 𝗙𝗲𝘄𝗲𝗿 𝗔𝗣𝗜 𝗖𝗮𝗹𝗹𝘀: By avoiding unnecessary requests, the application became noticeably faster and more efficient. 🛠️ 𝗖𝗹𝗲𝗮𝗻𝗲𝗿 & 𝗠𝗼𝗿𝗲 𝗠𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲 𝗖𝗼𝗱𝗲: No more juggling multiple useEffect hooks or custom loading and error handlers. 🚫 𝗟𝗲𝘀𝘀 𝗕𝗼𝗶𝗹𝗲𝗿𝗽𝗹𝗮𝘁𝗲, 𝗠𝗼𝗿𝗲 𝗙𝗼𝗰𝘂𝘀 𝗼𝗻 𝗨𝗜: React Query handles the complex parts, allowing me to focus on features and user experience. 🎯 𝗧𝗵𝗲 𝗥𝗲𝘀𝘂𝗹𝘁: A cleaner codebase, improved performance, and a much better developer experience — all without changing the backend. ❓ 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻 𝗳𝗼𝗿 𝗬𝗼𝘂: Have you tried TanStack React Query in your projects, or are you still managing API calls manually? #MERNStack #ReactJS #TanStackQuery #FrontendDevelopment #WebDevelopment #JavaScript #CleanCode #DeveloperExperience

I’ve been diving deeper into backend development, and I’m excited to share my latest project. It’s a fully functional Contact Manager that handles CRUD operations seamlessly. 🛠️ The Tech Stack: Backend: Node.js & Express.js for a robust server architecture. Database: SQLite for lightweight, reliable data persistence. Frontend: HTML, CSS, and JavaScript for dynamic DOM manipulation and API integration. 💡 Key Features: RESTful API implementation (GET, POST, DELETE). Real-time UI updates without page reloads. Clean code structure separating routes, server logic, and frontend assets. Check out the demo video below to see it in action! I’d love to hear your feedback or suggestions for improvement. 👇 #NodeJS #ExpressJS #WebDevelopment #FullStackDeveloper #JavaScript #Coding #Portfolio #SoftwareEngineering

Day 1 — Mastering the Node.js Request-Response Cycle 🚀 Headline: Deconstructing the "Magic": My Day 1 building a Node.js Server from scratch. As a React Native developer, I’m used to the frontend asking for data and magically receiving it. Today, I decided to become the "magic." I've officially started my journey into the backend by building a raw Node.js server without any frameworks. What I tackled on Day 1: The Initial Handshake: I used the native http module to create a server and listen for incoming traffic. Capturing Metadata: By logging the request object, I saw exactly how browsers identify themselves through user-agent and how they negotiate content via headers. The Greedy Browser: I discovered that browsers automatically request /favicon.ico on every visit—a "hidden" request my server caught and logged! Conditional Routing: I moved from just logging data to controlling it. I implemented logic to check req.url, serving a custom HTML form for the root path and a fallback message for everything else. POST Request Foundations: I successfully set up an HTML form that triggers a POST method to /message, paving the way for data parsing and storage. Key Insight for Frontend Devs: The server isn't just a "data bucket." It’s a logic engine that decides exactly what the client sees based on the URL and Method. Understanding this has already changed how I architect my mobile apps. Next Step: Moving into Day 2 to handle Data Streams and Buffers to actually "read" what the user types in that form! 📩 #NodeJS #BackendDev #FullStackJourney #Javascript #SoftwareEngineering #BuildInPublic #CodingLife #WebArchitecture

🚀 Key React Concepts Every Developer Should Master (with Code) By Ebesoh Adrian React isn’t magic — it’s a collection of simple concepts used correctly. Below is a practical breakdown of the most important React ideas, explained with short code snippets 👇 🔹 1. Components (Building Blocks) Everything in React is a component. function Button() { return <button>Click me</button>; } 🔹 2. JSX (JavaScript + UI) JSX lets you write UI inside JavaScript. const name = "Adrian"; <h1>Hello {name}</h1> 🔹 3. Props (Passing Data) Props pass data from parent to child. function User({ name }) { return <p>{name}</p>; } <User name="Ebesoh" /> 🔹 4. State (Dynamic Data) State allows data to change over time. const [count, setCount] = useState(0); 🔹 5. Event Handling <button onClick={() => setCount(count + 1)}>+</button> 🔹 6. useEffect (Side Effects) Used for API calls, subscriptions, etc. useEffect(() => { fetchData(); }, []); 🔹 7. Conditional Rendering {isLoggedIn ? <Dashboard /> : <Login />} 🔹 8. Lists & Keys items.map(item => ( <li key={item.id}>{item.name}</li> )); 🔹 9. Controlled Forms <input value={email} onChange={e => setEmail(e.target.value)} /> 🔹 10. useContext (Avoid Prop Drilling) const theme = useContext(ThemeContext); 🔹 11. Custom Hooks (Reusable Logic) function useCounter() { const [count, setCount] = useState(0); return { count, setCount }; } 🔹 12. Performance Optimization useMemo const total = useMemo(() => heavyCalc(data), [data]); useCallback const handleClick = useCallback(() => { setCount(c => c + 1); }, []); 🔹 13. Routing (React Router) <Route path="/profile" element={<Profile />} /> 🔹 14. Modern React (Next.js) Suspense <Suspense fallback={<Loader />}> <Component /> </Suspense> Server Components // Runs on the server export default async function Page() { const data = await fetchData(); } 🔹 15. Interview Favorites (Conceptual) ✔ Virtual DOM ✔ Reconciliation ✔ One-way data flow ✔ Immutability ✔ Keys & re-renders 🧠 Final Thought If you truly understand state, props, hooks, rendering, and performance, React becomes predictable and powerful. React mastery isn’t about knowing everything — it’s about knowing the fundamentals deeply for more insights you can look at courses on JavaScript Mastery thier simplified way to break down these concepts project base is my best take on thier courses thank you JavaScript Mastery. 📌 Save this. Share it. Teach it. #React #JavaScript #FrontendDevelopment #WebDevelopment #ReactHooks #NextJS #Programming #EbesohAdrian

React Just Got Way Cleaner If you’ve worked with React for a while, you know how messy data fetching used to feel. useEffect + useState, extra boilerplate, and manual loading/error handling — not fun. This new approach feels refreshingly simple 🔥 React Data Fetching: Then vs Now Before: - useState - useEffect - manual loading & error handling Now: -use(fetchUser()) — that’s it. Example : function User() {  const [user, setUser] = useState(null);  fetchUser().then(setUser);  if (!user) return <p>Loading...</p>;  return <div>{user.name}</div>; } TO function User() {  const user = use(fetchUser());  return <div>{user.name}</div>; } Declarative, readable, and much easier to reason about. React’s evolution is clearly leaning toward better developer experience, and I’m loving it. Cleaner code, fewer bugs, faster development 💯 What do you think — is this the future of data fetching in React? Drop your thoughts below and let’s learn from each other 👇 #ReactJS #JavaScript #Frontend #WebDevelopment #CleanCode #DeveloperExperience #ReactTips