BitWithBite
React · Quick Reference
Lesson 8 — useContext Cheat Sheet
In one line: Context lets deeply nested components read shared data directly, skipping prop drilling entirely.
3-Step Setup
1createContext(defaultValue)
2<Context.Provider value={...}>
3useContext(Context)
Custom Hook Wrapper
const AuthContext = createContext(null);
export const useAuth = () => useContext(AuthContext);
// Anywhere:
const { user, logout } = useAuth();