Discover React Flow and Svelte Flow for Node-Based UIs

Day 6 of #30DaysOfReact is all about mapping arrays! Today I learnt how to turn raw data (numbers, objects, skills) into living, breathing UI with .map(). Key takeaways: 🔹 .map() transforms data → JSX 🔹 Always use unique keys 🔑 🔹 Destructure to keep code clean 🔹 Mapping is the bridge between data and display I even built: ✅ A Numbers List ✅ A Skills Level List ✅ A Country List 🌍 React really is just JavaScript but with style. 😎 #LearnToCode #ReactJS #FrontendDev #CodeTok #WomenInTech #WebDevelopment #30DaysOfCode #MappingArrays #SoftwareEngineer

What does it really mean to care about the developer experience? It’s not a slogan. It’s not a bullet point on a marketing deck. And it’s definitely not a checkbox on a product roadmap. At 1771 Technologies, the developer experience isn’t simply a catchy phrase. It’s the foundation. It drives how we design, code, and ship. Every architectural decision and every feature implementation starts with a single question: Have we distilled the complexity down to something simple and elegant? That’s why we built LyteNyte Grid. A React data grid that combines high performance with seamless implementation, allowing developers to build faster, cleaner, and more intuitively than ever before. Check out LyteNyte Grid today: https://lnkd.in/e35HpS7z #reactjs #typescript #opensource #javascript 

React components that break at 50k users usually share the same fatal flaw. They render everything, everywhere, all at once. Last month I refactored Rankue's dashboard components to handle 100k+ concurrent users. The architecture changes weren't what you'd expect. Instead of complex state managers, I focused on three core principles: 1. Lazy boundaries everywhere Components load only when viewport enters. Cut initial bundle by 73%. 2. Memoization at data level Memo expensive calculations, not entire components. React.memo on every component kills performance. 3. Virtual scrolling for lists DOM nodes cap at 50 visible items regardless of data size. Memory usage stays flat. The result? Page load dropped from 4.2s to 0.8s. Memory consumption down 60%. Most developers optimize components. I optimize data flow. The biggest performance gains come from rendering less, not rendering faster. What's your approach when components start choking under real user load? #ReactJS #WebDevelopment #JavaScript #TechLeadership #SoftwareArchitecture #PerformanceOptimization #Rankue #Vonyex

In 2025, building in AI and Web3 is the new default. Building without TypeScript is like trying to build a skyscraper without blueprints. You might get a few floors up, but it's going to be unstable. It's a professional standard, not a preference. ✅ Here's why 👇 The biggest problem in tech isn't code; it's communication. As teams grow and projects get more complex, the cost of one small misunderstanding goes up. TypeScript is a "communication tool" disguised as a language. It's a clear, shared set of rules that everyone agrees on. It forces clarity. It helps teams move faster safely. You spend less time asking "what kind of data goes here?" and more time actually building the product. In the fast-paced world of emerging tech, that's the ultimate competitive advantage. We see this data across 500+ hackathons: the winning teams are the ones who build reliably under pressure. Want to build with the best? Our 100k+ developer community is building what's next. Find your team and your next challenge on 👇 Blockseblock.com #TypeScript #JavaScript #Builders

🛑After days of debugging, refining modals, and polishing user flow — the Transactions page is finally functional 🎉 📍This part was honestly the most explorative so far. 📍Working with ShadCN’s modal system taught me how to handle both internal state (opening modals from within the component) and external state (triggering them from other components). Now, users can: ✅ Add transactions seamlessly via the modal ✅ See all income and expenses neatly grouped ✅ Edit or delete any transaction easily ✅ Filter through a ton of records — instantly 📌Everything sits in a clean, well-structured table that just feels right. 📌And yes, it’s as smooth as I imagined when sketching the UI on day one. ⏩ Next step? A bit of optimization and polishing — then we move to analytics and reporting. 💫 Building ExpenseMate piece by piece has been such a great learning curve in UI composition, React state patterns, and backend integration. 💬 Curious — how do you prefer to handle modals in React? Internal state? Or lift it up to a parent component? #ExpenseMate #ReactJS #ShadcnUI #FullstackDevelopment #WebDevelopment #JavaScript #CodingJourney #FrontendDev #LearningInPublic #SoftwareEngineering #BuildInPublic

💭 I’ll just wrap it in useMemo - that’ll make it faster! That was me, a few months ago. I wanted to optimize a component that was rendering a big list, so I memoized everything. Then I opened React Profiler...and saw worse performance. 🤦♂️ 🧠 What Happened? useMemo doesn’t make code magically faster. It caches a computed value - but that caching itself comes with a cost. If the calculation is cheap or runs often, React ends up: Spending extra time checking dependencies Allocating memory to store cached values And sometimes re-running the memoized function anyway So instead of improving performance, it actually slowed down re-renders. ✅ The Fix (and Rule of Thumb) Use useMemo only when: The computation is expensive (sorting large data, complex transformations) The dependencies change infrequently Otherwise, just compute inline. React is fast enough for most cases. Example: // ❌ Over-optimization const doubled = useMemo(() => numbers.map(n => n * 2), [numbers]); // ✅ Simpler & often faster const doubled = numbers.map(n => n * 2); 💡 Takeaway Every optimization has a cost. Don’t reach for useMemo - measure first, optimize later. 🗣️ Your Turn Be honest - have you ever overused useMemo (or useCallback) thinking it’d boost performance? How do you decide when it’s actually worth it? #ReactJS #Performance #WebDevelopment #ReactHooks #FrontendDevelopment #JavaScript #CleanCode #Optimization #DevCommunity

⚡ Optimizing React Performance with useMemo In React, performance optimization often comes down to how we manage re-renders and expensive computations. One powerful hook for this purpose is useMemo. useMemo allows you to memoize the result of a computation, ensuring that it’s only recalculated when its dependencies change. This can significantly improve performance in components that handle heavy calculations or large data sets. Here’s a concise example: const processedData = useMemo(() => { return heavyComputation(data); }, [data]); In this case, heavyComputation() runs only when data changes, preventing redundant executions on every re-render. ✅ Best use cases: Expensive computations (sorting, filtering, transformations). Derived data that depends on specific props or state. Scenarios where unnecessary recalculations affect UI responsiveness. 🚫 Avoid using useMemo for trivial calculations — it adds overhead if the computation is cheap. In short, useMemo doesn’t make your code faster by itself — it prevents unnecessary work, which leads to smoother UI performance. Understanding when and where to use it is key to writing efficient, production-grade React applications. #ReactJS #PerformanceOptimization #FrontendEngineering #WebDevelopment #JavaScript #useMemo #ReactHooks #CleanCode #Tech

💥 “Frontend is dead — AI writes all the code now!” Heard that before? Let’s test it. Recently, I was debugging a React component where my search field lost focus every time I typed something. Sounds simple, right? Just a text input — until you realize... the component re-renders on every keystroke, rebuilding the entire child tree! 💡 The culprit: A nested function component defined inside the parent — recreated on every render. 💪 The fix: 1. Wrapped heavy child components with useMemo 2. Memoized handlers with useCallback 3. Preserved state and focus — smooth as butter 🧈 This tiny fix saved a ton of re-renders and made the UI lightning-fast ⚡ Because frontend isn’t dead — it’s evolving. And understanding these small details? That’s where the real engineering happens. #ReactJS  #FrontendPerformance  #WebDevelopment  #JavaScript   #CodingTips  #UseMemo  #UseCallback  #DeveloperLife  #TechLeadership  #UIEngineering  

The world of JavaScript frameworks is constantly evolving, and sometimes it feels like we are all battling "JavaScript Fatigue." The latest video commentary offers a fascinating look at this journey, from the simpler times of 2019 to today's landscape. A major point of interest is the introduction of the Ripple framework, a new TypeScript tool from Dominic Galloway (known for his work on Inferno, React, and Svelte). Ripple aims to solve some of the current challenges with innovative features: Direct statements in templates for enhanced usability. Scoped CSS and fine-grained DOM rendering. Plus, the video introduces Kira, an AWS AI tool designed to streamline large projects by enforcing structure through user stories and acceptance criteria. This shift toward intelligent tooling is critical for managing code quality and team consistency. Are new frameworks like Ripple the answer to developer burnout, or should we be focusing more on AI assistants like Kira to manage complexity? Let us discuss the future of UI development. #JavaScript #WebDevelopment #SoftwareDevelopment #RippleFramework #TypeScript #CodingTrends #JavaScriptFatigue

Day-60 Full Stack Development 💡 Day 5: React Interactivity — Event Handling & Conditional Rendering In React, building dynamic UIs isn’t just about displaying data — it’s about how users interact with your components. Today, I explored how React handles events and how we can conditionally render content based on app state. 🖱️ 1️⃣ Event Handling in React React events are similar to DOM events but follow the camelCase naming convention and use JSX syntax. Example: <button onClick={handleClick}>Click Me</button> Functions like handleClick are defined inside the component and can update state or trigger other actions. React automatically binds event listeners efficiently through its Virtual DOM, ensuring smooth updates. ⚙️ 2️⃣ Passing Parameters to Event Handlers You can pass arguments easily using arrow functions: <button onClick={() => handleDelete(id)}>Delete</button> This keeps handlers flexible and avoids unnecessary re-renders. 🔁 3️⃣ Conditional Rendering React lets you show or hide elements dynamically using: Ternary operators: {isLoggedIn ? <Dashboard /> : <Login />} Logical && operator: {error && <p>Error loading data!</p>} This approach makes UIs clean, declarative, and responsive to state changes. ✨ In short: Event handling and conditional rendering together make React apps feel alive — responding instantly to user actions while maintaining component-based architecture. #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #ConditionalRendering #ReactEvents #ManojLearnsReact #UIUX #CodingJourney #cfbr