Modern React guides covering hooks, Next.js App Router, TypeScript, state management and testing. React 18+ patterns for production applications.
useState, useEffect, useRef, useMemo, useCallback, useReducer, useTransition and rules of hooks.
Read guide →useFetch, useLocalStorage, useDebounce, useClickOutside, useIntersectionObserver and testing hooks.
Read guide →Context + useReducer, splitting contexts, avoiding re-render pitfalls and compound components.
Read guide →React.memo, useMemo, useCallback, React.lazy/Suspense, virtualization, Profiler and bundle analysis.
Read guide →App Router vs Pages Router, Server Components, Server Actions, data fetching, ISR and Vercel deployment.
Read guide →OAuth providers, credentials, session management, protected routes with middleware and RBAC.
Read guide →Local vs global state decisions, Redux Toolkit, Zustand, TanStack Query and when to use each.
Read guide →RHF register/handleSubmit, Zod schema validation, dynamic fields, file uploads and loading states.
Read guide →Component props typing, event handlers, generics, forwardRef, discriminated unions and strict mode.
Read guide →Queries, user-event, async testing, MSW for API mocking, coverage and CI integration.
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