React Cheatsheet 20 — Modern React Project Setup
Cheatsheet: Vite + React + TS + Tailwind + Vitest + RTL + RHF + TanStack Query.
React
React State Management in 2026 — Zustand, Jotai, Redux, and the Decision That Matters
Practical React state: server state in TanStack Query, UI state in Zustand / Jotai / useState. When Redux still fits, atomic vs store, persistence.
TanStack Query in 2026 — The Server-State Library That Outlived Frameworks
Practical TanStack Query: queries vs mutations, query keys, invalidation, optimistic updates, prefetching, and the patterns from real apps.
React Server Components in 2026 — What They Solved, What They Didn't
Practical RSC in 2026: when they help, when they hurt, server actions for mutations, hydration cost, and where RSC sits vs SSR vs CSR vs islands.
Server Actions Mutation Patterns in Next.js 15 — The 2026 Cookbook
Practical Next.js 15 server actions: input validation with Zod, optimistic updates, error states, redirects, revalidation, and the patterns from production apps.
React Server Components Data Fetching Patterns in 2026
RSC data fetching: direct database calls from components, parallel queries with Promise.all, Suspense for streaming, and the gotchas around caching.
React 19 Server Actions and `use` in Production — A 2026 Field Report
What React 19 actually changed for production apps. Server actions, the use() hook, useOptimistic, useFormStatus, and the patterns from a year of real use.
Next.js 15 Server Components in Production — A 2026 Guide
Next.js 15 server components in production. The App Router mental model, server vs client boundaries, server actions for mutations, partial prerendering (PPR), Turbopack, and the gotchas worth knowing.