API Reference

Fresh

Complete reference for React's built-in hooks, components, and APIs.

Overview

Section	What It Covers
Hooks	useState, useEffect, useContext, useReducer, useRef, useMemo, useCallback, useId, useTransition, and more
Components	Fragment, StrictMode, Suspense, Profiler, Activity
APIs	createContext, memo, forwardRef, lazy, startTransition, cache
React DOM	createRoot, createPortal, flushSync, preload, server rendering
Server APIs	Server Components, Server Actions, server rendering APIs

Package Structure

flowchart TD
    A[react] --> B[Hooks]
    A --> C[Components]
    A --> D[APIs]
    E[react-dom] --> F[Client APIs]
    E --> G[Server APIs]
    E --> H[DOM Components]
    I[react-dom/client] --> J[createRoot]
    I --> K[hydrateRoot]
    L[react-dom/server] --> M[renderToPipeableStream]
    L --> N[renderToString]