My Struggle with React Context API and What I Learned

🚨 Why Environment Files are MUST in React Projects? If you're building real-world apps and still NOT using proper environment configuration… you're inviting bugs into production 😅 In every project, we typically have: 👉 Development 👉 Staging (Testing) 👉 Production Now imagine using the SAME API URL or configs everywhere 🤯 Dev APIs in production ❌ Testing configs leaked to users ❌ Wrong analytics / logs ❌ This is where Environment-Based Configuration becomes critical. 💡 What should go into env files? API URLs App configs Feature flags (like enabling new UI) Analytics IDs Logging configs ⚠️ Common mistakes developers make: Not separating env files per environment Forgetting correct build mode (dev/stage/prod) Storing sensitive secrets in frontend env files 👉 In Vite (React), always use VITE_ prefix 👉 Access using import.meta.env 👉 And always build with correct mode When done right, your app becomes: ✔️ Scalable ✔️ Safe ✔️ Easy to manage across environments I’ve explained this with practical examples in my latest video 👇 🎥 https://lnkd.in/g5ca-kcU #ReactJS #Frontend #SystemDesign #JavaScript #WebDevelopment #Coding #SoftwareEngineering #ReactDeveloper

🔥 Context API vs Redux — Which One Should You Choose? State management can make or break your React application performance. After working on multiple projects, one thing is clear: 👉 There is NO one-size-fits-all solution. Let’s simplify it 👇 ⚡ Context API ✔️ Built into React (no extra setup) ✔️ Lightweight & easy to use ✔️ Best for small to medium apps ✔️ Perfect for UI state (theme, auth, language) 🚀 Redux ✔️ Centralized & predictable state ✔️ Scalable for large applications ✔️ Powerful dev tools (debugging, time travel) ✔️ Handles complex business logic easily ⚠️ The Reality: Context API can cause unnecessary re-renders at scale Redux can feel heavy without Redux Toolkit 💡 Smart Approach (Used by Top Teams): 👉 Context API for UI/global configs 👉 Redux Toolkit for complex business logic 📌 Final Thought: Don’t choose based on trends — choose based on your app’s complexity and future scalability. What do you prefer in your projects — Context or Redux? 👇 #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #Redux #ContextAPI #SoftwareEngineering #UIEngineering #ReactDeveloper #TechLeadership #Coding #FullStackDeveloper #CleanCode #Programming #DeveloperCommunity #WebApps #TechCareers #LearningInPublic

🚀 Just built a Task Manager App using React! ✨ Features: ✔ Add, Edit, Delete Tasks ✔ Mark Complete ✔ Filter (All / Completed / Pending) ✔ LocalStorage (data persists after refresh) ✔ Clear All Tasks 🔗 Live Demo: https://lnkd.in/gk6PWB2e 💻 GitHub: https://lnkd.in/gR-cHfQP This project helped me understand: React state management CRUD operations Real-world UI logic More improvements coming soon 🚀 #React #WebDevelopment #Frontend #JavaScript #Coding

The React Hook "Periodic Table": From Basics to Performance ⚛️ If you want to write clean, professional React code in 2025, you need more than just useState. While useState is the heart of your component, these 7 hooks form the complete toolkit for building scalable, high-performance apps. Here is the breakdown: 🌟 The Core Essentials 1️⃣ useState: The bread and butter. Manages local state (toggles, form inputs, counters). 2️⃣ useEffect: The "Swiss Army Knife." Handles side effects like API calls, subscriptions, and DOM updates. 3️⃣ useContext: The prop-drilling killer. Shares global data (themes, user auth) across your entire app without passing props manually. ⚡ The Performance Boosters 4️⃣ useMemo: Caches expensive calculations. Don't re-run that heavy data filtering unless your dependencies actually change! 5️⃣ useCallback: Memoizes functions. Perfect for preventing unnecessary re-renders in child components that rely on callback props. 🛠️ The Power Tools 6️⃣ useRef: The "Persistent Finger." Accesses DOM elements directly (like auto-focusing an input) or stores values that persist without triggering a re-render. 7️⃣ useReducer: The "Traffic Cop." Best for complex state logic where multiple sub-values change together. If your useState logic is getting messy, this is your solution. 💡 Pro-Tip : Keep an eye on React 19 hooks like useOptimistic (for instant UI updates) and useFormStatus (to simplify form loading states). The ecosystem is moving fast! Which hook do you find yourself reaching for the most lately? Is there a custom hook you’ve built that you now use in every project? 👇 #ReactJS #WebDevelopment #Frontend #CodingTips #Javascript #SoftwareEngineering #ReactHooks #WebDev2025

Ngl, one of the most frustrating parts of starting a new React Native project… is not even building the app 😅 It’s the setup. Every. single. time. You init a new project, and then suddenly: – install navigation – setup API layer (axios, configs, etc.) – configure environment variables – setup custom fonts & app icons – create folder structure – build base components – wire up navigation stacks And before you realize it, you’ve spent days (sometimes weeks) just rebuilding the same foundation… again. It feels repetitive. And honestly, kind of unnecessary. So I thought… why not automate all of this? That’s how RNJet was born 🚀 It’s a production-grade CLI + boilerplate that sets up a fully structured React Native app for you — in minutes. Out of the box, you get: ⚡ Clean & scalable architecture ⚡ TypeScript-first setup ⚡ Preconfigured navigation ⚡ API & storage setup ⚡ Environment configuration ⚡ i18n (internationalization) ⚡ Dark / Light mode ⚡ App icon & basic assets ready Basically everything I always end up rebuilding manually. And the best part? It’s ridiculously simple to use. Just run: 👉 npx @jonathantri/rnjet init Answer a few quick prompts… and your project is ready to go. No more spending 1–2 weeks setting up a base project. Now it takes ~5–10 minutes. If you’ve ever felt the same pain, you might find this useful 👇 🌐 Docs: https://lnkd.in/grPctRrm 📦 NPM: https://lnkd.in/gs3gu8S7 💻 GitHub: https://lnkd.in/gs6ue4hT Would love to hear your thoughts or feedback 🙌 #reactnative #boilerplate #typescript #mobiledevelopment #opensource #developertools #javascript

𝗬𝗼𝘂 𝗱𝗼𝗻’𝘁 𝗻𝗲𝗲𝗱 𝘂𝘀𝗲𝗠𝗲𝗺𝗼 𝗼𝗻 𝗲𝘃𝗲𝗿𝘆𝘁𝗵𝗶𝗻𝗴. 🛑 After 𝟰 𝘆𝗲𝗮𝗿𝘀 of React, I’ve realized that the most common performance "optimization" is actually just 𝘤𝘭𝘶𝘵𝘵𝘦𝘳. When we’re mid-level, we want to show off that we know how React works under the hood. We wrap every function in useCallback and every object in useMemo. 𝗛𝗲𝗿𝗲 𝗶𝘀 𝘁𝗵𝗲 𝗿𝗲𝗮𝗹𝗶𝘁𝘆: 1️⃣ React is faster than you think. The virtual DOM diffing is incredibly efficient. Most "unnecessary" re-renders cost almost nothing in terms of actual frame drops. 2️⃣ Readability > Micro-optimizations. Adding memoization hooks everywhere makes your code harder to read and harder to maintain. 3️⃣ Premature optimization is a bug. Unless you are dealing with massive data sets or complex animations, you're likely solving a problem that doesn't exist. 𝗦𝗼, 𝘄𝗵𝗲𝗻 𝗱𝗼 𝗜 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗲? 🔹 When there is a perceptible lag in the UI. 🔹 When a component is rendering an expensive computation (like heavy data filtering). 🔹 When a child component is wrapped in React.memo and needs stable props. 𝗦𝘁𝗼𝗽 𝘀𝗼𝗹𝘃𝗶𝗻𝗴 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗶𝘀𝘀𝘂𝗲𝘀 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗶𝗺𝗮𝗴𝗶𝗻𝗮𝘁𝗶𝗼𝗻. 🧠 Open the React DevTools, profile the app, and find the actual bottlenecks. 𝗦𝗲𝗻𝗶𝗼𝗿 𝗗𝗲𝘃𝘀 𝗱𝗼𝗻’𝘁 𝗴𝘂𝗲𝘀𝘀. 𝗧𝗵𝗲𝘆 𝗺𝗲𝗮𝘀𝘂𝗿𝗲. 📏 What’s the weirdest "performance hack" you’ve seen in a codebase that actually made things worse? Let's talk in the comments. 👇 #ReactJS #Performance #WebDevelopment #SoftwareEngineering #TechCareer

⚛️ Zustand — A Clean & Minimal Approach to State Management in React When building applications with React, one thing that really impacts code quality over time is how you manage state. There are plenty of options out there, but Zustand stands out for keeping things simple without sacrificing flexibility. 🧠 What is Zustand? Zustand is a lightweight state management library that lets you manage global state with very little setup. 👉 No providers 👉 No reducers 👉 No heavy boilerplate It keeps things straightforward and easy to reason about. ⚡ How it works At its core, Zustand is just a simple store: import { create } from "zustand"; const useStore = create((set) => ({ count: 0, increment: () => set((state) => ({ count: state.count + 1 })), })); And you can use it anywhere in your app: const count = useStore((state) => state.count); const increment = useStore((state) => state.increment); No extra wrapping or complex setup needed. 🔥 Why Zustand works well ✔ Clean and minimal API ✔ Updates only what actually changes (better performance) ✔ No need to wrap your entire app ✔ Helps you move faster with less code ⚠️ Where to be cautious Zustand is great, but it’s not a one-size-fits-all solution. 👉 For large-scale apps with complex workflows 👉 When you need strict structure or advanced debugging tools you might want something more opinionated. 💡 Practical perspective Zustand fits really well when: ✔ Your app is small to medium in size ✔ You want to keep things simple ✔ You don’t need heavy state architecture 🚀 Final thought State management doesn’t have to be complicated. Sometimes, keeping things simple is the best decision you can make for your codebase. ❓ What are you using in your projects — Redux or Zustand? 📌 I’ll share a detailed comparison of Redux vs Zustand in my next post. #reactjs #zustand #redux #frontenddevelopment #javascript #webdevelopment #softwareengineering #fullstackdeveloper #dotnetfullstackdeveloper #react

🔥 Context API vs Redux — What Should Actually Use? State management isn’t just a technical choice—it directly impacts your app’s performance and scalability. After working across multiple React projects, one thing stands out: 👉 There’s no universal solution. Let’s break it down 👇 ⚡ Context API ✔️ Built into React — no extra dependencies ✔️ Simple and lightweight ✔️ Great for small to mid-sized apps ✔️ Ideal for UI state (theme, auth, locale) 🚀 Redux (with Toolkit) ✔️ Centralized and predictable state management ✔️ Designed for scalability ✔️ Excellent developer tools (debugging, time-travel) ✔️ Handles complex logic and data flow with ease ⚠️ The Trade-offs Context can trigger unnecessary re-renders in larger apps Redux can feel over-engineered without Redux Toolkit 💡 What Experienced Teams Do 👉 Use Context for lightweight global state 👉 Use Redux Toolkit for complex, business-critical logic #ReactJS #Redux #ContextAPI #ReduxToolkit #JavaScript #TypeScript #FrontendDevelopment #DevCommunity #TechLearning #CodingJourney #DeveloperLife #LearnToCode #CareerInTech

The biggest problem with React applications isn't React itself — it's the freedom it gives developers. Because the code "works" even when good practices are broken, it's common to see applications snowball into a pile of components, states, and contexts — all tangled together. To clarify how this really works, I started writing an article about two decisions that define the performance of a React app before the first useState: how the component tree is organized, and where each piece of state lives within it. I added real examples and benchmarks — but realized I could go further. That's how Treeact was born: an interactive tool where you assemble a component tree, annotate states, contexts, memoization and bailout techniques, and watch the real re-render behavior propagate through the tree on every update. "But React DevTools and the Profiler already do that." Not quite. Both assume the code already exists — you profile what's there to find out what went wrong. Treeact lives in the moment before: when the structure is still an idea, and moving a piece of state costs seconds instead of hours. It's not a debugger. It's a drawing board. Turning the invisible into something observable — while the decisions are still cheap. That's the point. Experiment with state placement and tree structure at https://treeact.dev before writing a single line of code.

🏗️ Bad folder structure is the #1 reason React apps become unmaintainable. Most devs start with this 👇 /components /hooks /services /utils ✅ Works for 10 files 💥 Collapses at 100 🚀 Switch to feature-based structure: /features /auth AuthForm.jsx useAuth.js authService.js authTypes.ts /dashboard Dashboard.jsx useDashboard.js /products ProductList.jsx ProductCard.jsx useProducts.js /shared /components (Button, Input, Modal) /hooks (useDebounce, useLocalStorage) /utils 🧠 The golden rule: 👉 Features don’t import from other features If something needs to be shared → move it to /shared ⚙️ Why this works: ✔️ Clear module boundaries ✔️ Easier to scale ✔️ Faster onboarding for new devs 📌 Big insight: Scaling a codebase = 👉 Scaling the architecture first 📚 Reference: Bulletproof React (GitHub) #ReactJS #Architecture #FrontendDev #SoftwareEngineering