How to Fix React State Updates with Immutable Data
Learn why React state mutations cause stale UI, how reference equality affects rendering, and how to update arrays and nested obje...
Optimizing ReactJS(23 posts)
Cut re‑renders, split code, and cache work. Patterns that keep UIs smooth and small.
This archive lists 23 how-to tutorials in react, from quick fixes to complete setup walkthroughs.
If you are troubleshooting a specific error, scan the latest entries first, then continue to older pages for alternative approaches.
Howto Use the Decorator Pattern in Front-End Development
Learn how decorators separate business logic from performance monitoring, retries, debouncing, permissions, and loading states.
Howto Master React 19 useActionState for Async Forms
Learn how React 19 useActionState simplifies async forms, server actions, optimistic UI updates, and state management with less bo...
Howto Build a Theme Switcher with DaisyUI and TanStack Router
Learn how to create a TypeScript theme switcher using DaisyUI and TanStack Router in a modern Vite project with the new Tailwind p...
Howto Optimize React with useCallback, useMemo & React.memo
Learn when useCallback, useMemo, and React.memo help React performance, when they add noise, and how to apply each tool safely.
Howto Choose Between CSS, Framer Motion, and React Spring
Compare CSS animations, Framer Motion, and React Spring for smooth, performant React animations. Includes code examples, pros and ...
How to Speed Up API Work with TanStack Query & API Factory
Learn how TanStack Query and an API factory pattern cut boilerplate, centralize data handling, and accelerate API-driven developme...
Howto Simplify Redux with RTK Query in React Projects
Ditch redux-saga for simple queries? Learn how RTK Query from Redux Toolkit can drastically reduce boilerplate in your React apps.
Howto Set Up Jest and React Testing Library in React & Next.js
A complete guide to configuring Jest and React Testing Library in TypeScript-based React or Next.js apps — with SCSS, SVG, Babel a...
How to Prefetch Data with TanStack Query (React Query)
Learn how to prefetch data using React Query (TanStack Query) for faster navigation and improved perceived performance in your Rea...
How to Type QueryOptions in React Query with TypeScript
Learn how to properly type QueryOptions, useQuery, and query functions in React Query using TypeScript for strong type safety and ...
How to Troubleshoot React Performance Issues with Developer Tools
Learn to analyze and optimize React component performance using React Profiler, WhyDidYouRender, and useTrackedEffect to detect sl...
How to Integrate React with Ruby on Rails Effectively
Learn how to integrate React with Ruby on Rails in 2025. Explore API-only setups, unified apps with esbuild, react-rails, and mode...
How to Get Started with Zustand V5 for React State Management
Learn Zustand V5 with practical patterns, selective updates, middleware, and how it uses useSyncExternalStore for performant state...
How to Use TanStack Router: A Modern, Type-Safe Router for React
A comprehensive guide to TanStack Router: modern routing, type safety, loaders, search params, SSR, optimizations, and integration...