Automate React Loading States with react-auto-skeletonizer

🚀 Improving Frontend Performance with Throttling & Debouncing One key realization while optimizing UI performance 👇 👉 Not all issues are about page load 👉 Many come from how frequently our code runs 🧠 The Problem Events like scroll 📜, resize 📏, and typing ⌨️ can fire hundreds of times per second This leads to: ❌ unnecessary work ❌ busy main thread ❌ poor responsiveness ⚙️ The Solution 🔹 Throttling 👉 Limit execution frequency 👉 e.g., run once every second 🔹 Debouncing 👉 Execute only after user stops 👉 e.g., search after typing stops 🎯 Key Difference 👉 Throttle = steady control 👉 Debounce = wait then act 📊 Why it matters 👉 Less work for browser 🧠 👉 Better responsiveness ⚡ 💡 “Performance is not just faster loading — it’s smarter execution.” #Frontend #JavaScript #WebPerformance #ReactJS #FrontendEngineering

Everyone is experimenting with this new text engine. Here is what it actually looks like in a real UI. Text reflows around moving elements in real time. Smooth, no layout breaks. I built an interactive demo 👇 https://lnkd.in/ezshxrKB Built with Pretext by Cheng Lou: https://lnkd.in/eex7dUWH Would you use this in production? #Frontend #JavaScript #WebDev #BuildInPublic #Pretext

⚛️ 𝗣𝗿𝗲𝘃𝗲𝗻𝘁𝗶𝗻𝗴 𝗨𝗻𝗻𝗲𝗰𝗲𝘀𝘀𝗮𝗿𝘆 𝗥𝗲-𝗿𝗲𝗻𝗱𝗲𝗿𝘀 𝗶𝗻 𝗥𝗲𝗮𝗰𝘁 — 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝗨𝘀𝗲 𝗼𝗳 𝗺𝗲𝗺𝗼 & 𝘂𝘀𝗲𝗖𝗮𝗹𝗹𝗯𝗮𝗰𝗸 In React applications, performance issues often come from repeated re-renders rather than heavy logic. This becomes more noticeable when passing functions as props. 𝗖𝗼𝗺𝗺𝗼𝗻 𝗘𝘅𝗮𝗺𝗽𝗹𝗲 <ChildComponent onClick={() => handleClick(id)} /> A new function is created on every render, causing child components to re-render. 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝗙𝗶𝘅 Use useCallback: const handleItemClick = useCallback((id) => { handleClick(id) }, []) Then: <ChildComponent onClick={handleItemClick} /> 𝗖𝗼𝗺𝗯𝗶𝗻𝗲 𝘄𝗶𝘁𝗵 𝗥𝗲𝗮𝗰𝘁.𝗺𝗲𝗺𝗼 export default React.memo(ChildComponent) Now child re-renders only when props actually change. 𝗪𝗵𝗲𝗻 𝗧𝗵𝗶𝘀 𝗛𝗲𝗹𝗽𝘀 𝗠𝗼𝘀𝘁 • Large lists • Dashboard UI • Reusable components • Expensive child rendering • Deep component trees 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝗡𝗼𝘁𝗲 Avoid over-optimizing: • Use memo only where needed • Measure before optimizing • Keep code readable Small memoization changes can improve UI responsiveness significantly. 💬 Curious — Do you use memoization by default, or only after noticing performance issues? #ReactJS #Frontend #Performance #JavaScript #WebDevelopment #SoftwareEngineering #DevCommunity

🚀 Debounce vs Throttle in React (and when to use each) Handling user interactions efficiently is key to building performant applications — especially when dealing with frequent events like typing and scrolling. Here’s a simple breakdown: 🔹 Debounce • Delays execution until the user stops triggering the event • Best for: search inputs, API calls on typing 🔹 Throttle • Limits execution to once every fixed interval • Best for: scroll events, resize handlers ⚠️ Without control, frequent events can lead to: • Too many API calls • UI lag • Performance issues 📈 Results: • Reduced unnecessary API requests • Improved UI responsiveness • Better user experience 💡 Key takeaway: Use debounce when you want the final action, use throttle when you want continuous control. What scenarios have you used debounce or throttle in? #React #Frontend #WebDevelopment #Performance #JavaScript #NextJS

Tired of building UI from scratch every time… So I built my own Component Library ⚡ 🔗 GitHub: https://lnkd.in/gz_vRwND 🔗 Vercel: https://lnkd.in/gjwbZbcA ✨ Built with React + Tailwind ✨ Clean & reusable components ✨ Live preview + copy code ✨ Dark mode + responsive How to use: 1. Browse components 2. Click "Show Code" 3. Copy & paste into your project 4. Customize as needed “Browse → Copy → Use → Customize” This project helped me improve: UI design thinking Component reusability Real-world frontend skills Still improving it — feedback is welcome 🙌 #ReactJS #TailwindCSS #FrontendDeveloper #WebDevelopment #UIUX #JavaScript #OpenSource #100DaysOfCode #Developer #Portfolio

useRef doesn't trigger re-renders. Here's why - useRef just returns this: { current: value } A plain object. Nothing reactive about it. Changing ref.current = newValue is like editing a JS object property. React has no idea it happened. useState is different — setState notifies React's scheduler. That notification is what causes a re-render. useRef skips that notification entirely. By design. Use it for: ✅ DOM refs (input.focus()) ✅ Timer IDs (clearInterval) ✅ Previous values ✅ Anything your logic needs but the UI doesn't Simple mental model: useState → remember + re-render useRef  → remember silently #React #JavaScript #Frontend #ReactHooks

Why does your 'ref' return 'null' the moment you wrap your input in a custom component? It is one of those React quirks that trips up even experienced developers. By default, refs do not behave like props. They are treated as special instances that stop at the component boundary to protect encapsulation. This is exactly why we need 'forwardRef'. It acts as a bridge that allows a parent component to reach through a child and grab a direct handle on an internal DOM node. The most practical application is building a reusable UI library. If you create a custom 'Input' or 'Button' component, your parent component might need to call '.focus()' or '.scrollIntoView()'. Without 'forwardRef', your parent is just holding a reference to a React internal object, not the actual HTML element. Another real-world scenario involves Higher-Order Components (HOCs). If you wrap a component with a 'withAnalytics' or 'withTheme' wrapper, that wrapper will 'swallow' the ref by default. By using 'forwardRef' in your HOC implementation, you ensure the reference passes through the wrapper and lands on the component that actually needs it. It is about making your abstractions transparent and ensuring that the parent component maintains the control it expects over the physical DOM. Using this pattern sparingly is key. It is an escape hatch for those moments where declarative state isn't enough to manage physical browser behavior. It keeps your component interfaces clean while providing the necessary access for specialized UI interactions. #ReactJS #SoftwareEngineering #Frontend #WebDevelopment #Javascript #CodingTips #CodingBestPractices

Have you ever needed to touch the DOM directly while working in React? React is designed to be declarative. You describe the UI based on state, and the library handles the updates. But occasionally, you need what we call an 'escape hatch.' This is precisely where 'refs' come into play. They provide a way to access a DOM node or a React element directly, bypassing the standard re-render cycle. The most common reason to reach for a ref is to manage things like focus, text selection, or media playback. If you need a specific input field to focus the moment a page loads, you cannot easily do that with state alone. You need to reach into the DOM and call the native '.focus()' method. Beyond the DOM, refs are also perfect for storing any mutable value that needs to persist across renders without triggering a UI update. This includes things like timer IDs or tracking previous state values for comparison. However, with great power comes responsibility. Using refs is essentially stepping outside of the React ecosystem and taking manual control. If you can achieve your goal using props and state, you should. Overusing refs can make your components harder to debug and breaks the predictable flow of data that makes React so reliable. It is a tool for the edge cases, not the daily routine. Use it when you need to talk to the browser directly, but keep your core logic declarative. #ReactJS #SoftwareEngineering #WebDevelopment #Javascript #Frontend #CodingTips

Most frontend developers are still writing raw Intersection Observer code by hand. It works but it adds boilerplate, cleanup logic, and SSR concerns that distract from the actual problem. There is a React hook that handles all of this quietly in the background: useInView from react-intersection-observer. It is one of the most practical hooks in the React ecosystem and, in my experience, one of the least talked about. WHAT IT SOLVES Lazy loading images and components only when they enter the viewport Triggering scroll-based animations without fighting useEffect and useRef Firing analytics events when a section becomes visible Building infinite scroll without a third-party pagination library Auto-playing media only when it is actually in view WHY IT DOES NOT GET ENOUGH ATTENTION Most learning resources teach Intersection Observer from the ground up, which builds understanding but rarely translates into production-ready patterns. This hook is the practical layer on top of that knowledge. It handles unmount cleanup, root margin configuration, SSR-safe behavior, and one-time trigger support things that developers typically spend time rediscovering on their own. The next time a design requirement involves scroll-triggered behavior, reach for this before writing the observer setup manually. What patterns are you using it for? Would be glad to hear how others are applying it. #React #Frontend #WebDevelopment #JavaScript #ReactHooks

𝗧𝗮𝗶𝗹𝘄𝗶𝗻𝗱 𝗱𝗼𝗲𝘀𝗻'𝘁 𝘀𝘁𝗼𝗽 𝘀𝗰𝗮𝗹𝗶𝗻𝗴. 𝗬𝗼𝘂𝗿 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝘁𝗼 𝗶𝘁 𝗱𝗼𝗲𝘀. After using it across multiple React and Next.js projects, I've seen the same pattern: Tailwind feels clean early on, then somewhere around the third month the classnames get out of hand and people blame the tool. The real issue is almost never Tailwind itself. It's the absence of conventions around it. A few things that actually make it scale: - 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁 𝗮𝗯𝘀𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗶𝘀 𝗻𝗼𝗻-𝗻𝗲𝗴𝗼𝘁𝗶𝗮𝗯𝗹𝗲. If the same div with 12 classes appears in 4 places, that's a component waiting to exist. Tailwind doesn't enforce this. That is up to you to do it. - 𝗰𝗻() 𝘄𝗶𝘁𝗵 𝗰𝗹𝘀𝘅 𝗼𝗿 𝘁𝗮𝗶𝗹𝘄𝗶𝗻𝗱-𝗺𝗲𝗿𝗴𝗲 𝗰𝗵𝗮𝗻𝗴𝗲𝘀 𝗲𝘃𝗲𝗿𝘆𝘁𝗵𝗶𝗻𝗴. Conditional classes written inline turn into unreadable noise fast. Centralizing that logic keeps components clean. - Remember, 𝗧𝗮𝗶𝗹𝘄𝗶𝗻𝗱 𝘃𝟰 𝗺𝗼𝘃𝗲𝗱 𝘆𝗼𝘂𝗿 𝗱𝗲𝘀𝗶𝗴𝗻 𝘀𝘆𝘀𝘁𝗲𝗺 𝗯𝗮𝗰𝗸 𝗶𝗻𝘁𝗼 𝗖𝗦𝗦. Use it properly. No more tailwind.config.js file. Your tokens now live in @theme inside your CSS file. Custom colors, spacing, and font sizes defined there generate utility classes automatically. The moment you start writing arbitrary values like w-[372px] everywhere, you've lost the point entirely. - 𝗦𝗲𝗽𝗮𝗿𝗮𝘁𝗲 𝗹𝗮𝘆𝗼𝘂𝘁 𝗰𝗹𝗮𝘀𝘀𝗲𝘀 𝗳𝗿𝗼𝗺 𝘀𝘁𝘆𝗹𝗲 𝗰𝗹𝗮𝘀𝘀𝗲𝘀 𝘃𝗶𝘀𝘂𝗮𝗹𝗹𝘆. Some teams adopt a loose ordering convention... positioning first, then sizing, then colors. It sounds minor until you're reading someone else's component at 11pm. Tailwind gives you speed. Convention gives you scale. You need both. The devs who say Tailwind doesn't scale are usually the ones who never built the guardrails. 💬 What conventions does your team use? #TailwindCSS #React #Frontend #WebDev #NextJS #TypeScript #SoftwareDevelopment