تحديث خاصية داخل كائن الحالة

import { useState } from "react";
export default function App() {
  const [user, setUser] = useState({ name: "Osama", age: 40 });
  return <><p>{user.name} {user.age}</p><button onClick={() => setUser(previous => ({ ...previous, name: "Mona" }))}>Change Name</button></>;
}