#react

Which Local Model Is Best for TypeScript and React?

SWE-bench measures Python bug-fixing. Here is what actually matters when picking a...

Six React Libraries Crossed a Major: What Actually Broke

Measured before-and-after bundle sizes and the real breaking changes for six React...

The use() Hook in React 19: Reading Promises and Context

React 19's use() reads promises and context inside conditionals and loops, breaking...

Profiling React Renders With the DevTools Profiler

A hands-on workflow for using the React DevTools Profiler to find and...

React Server Actions: Mutations Without API Routes

React Server Actions let a form submit directly to server code, no...

TypeScript 7 React Migration Checklist for Vite Apps

An ordered TypeScript 7 React migration checklist for a single Vite app:...

Core Web Vitals for React 19 Apps: A 2026 Field Guide

How to measure and fix LCP, INP, and CLS in a real...

Testing AI-Generated React Components: A 2026 Playbook

AI tools write React components fast but skip edge cases. These testing...

How to Refactor Large React Components With AI Tools

A practical workflow for breaking apart 500-line React components with AI tools,...

React Data Fetching with TypeScript & TanStack Query

Learn type-safe data fetching in React using TanStack Query v5. Compare fetch,...

TypeScript Validation with Zod and React Hook Form

Practical guide: validate React forms with Zod 3.x and TypeScript. One schema...

Claude Code for React and TypeScript: Workflow Guide

Claude Code is a CLI, not an IDE plugin. For React/TypeScript projects,...

React Compiler: Practical Guide to Auto-Memoization

The React Compiler auto-inserts memoization at build time. How to install it,...

Zustand vs Jotai with TanStack Query Compared 2026

Zustand, Jotai, or TanStack Query for React state? Comparison of re-render behavior,...

TypeScript Utility Types: A Practical Developer Guide

Master TypeScript's built-in utility types: Partial, Required, Pick, Omit, Record, Exclude, and...

React Hooks Best Practices: Common Pitfalls to Avoid

React hooks best practices for production: fix stale closures, dependency array bugs,...

React Server Components with TypeScript: Production Guide

React Server Components run on the server with zero bundle cost. Here's...

React Hook Form vs Formik in 2026: Library Showdown

React Hook Form wins on performance and bundle size vs Formik. Both...

React 19: Complete Guide to New Features and Migration

React 19 guide: Compiler, Actions, useOptimistic, Activity API, and useEffectEvent. Migration steps,...

TypeScript Generics: Practical Guide for React Developers

Master TypeScript generics in React: typed hooks, generic components, API wrappers, and...