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Brogrammist Brogrammist @brogrammist · 1.22K subscribers
Post #180 2.11K
React 19 Beta

Eng katta yangiliklar:

1. Server actions
2. use huki

Shaxsan menga eng yoqqan o'zgarishlar:

1. Funksiyaviy komponentlar uchun endi forwardRef shart emas. Shunchaki props.ref qilib ishlatsa bo'ladi.

function Comp({ ref }) {
return <input ref={ref} />
}


2. <Context /> o'zini endi Provider qilib ishlash mumkin. Ya'ni <Context.Provider /> qilib o'tirmasadan. 💚

const Context = createContext('');

function App({children}) {
return (
<Context>
{children}
</Context>
);
}



3. Meta teglarni endi bemalol ishlatsa bo'ladi. Xatto CSS fayllarni qo'shish mumkin: 😍

function Page() {
return (
<div>
<title>Sarlavha</title>
<link
rel="stylesheet"
href="/page.css"
precedence="default"
/>
<meta name="author" content="Diyor" />
</div>
)
}


4. useFormStatus
Endi <form> huddi Context kabi ishlaydi va uning ichida joylashgan komponentlar useFormStatus orqali formaning holatini o'qishlari mumkin (pending, submitted, ...).
Oldin bu ish uchun alohida Context yoki proplar zanjiri kerak bo'lardi.

Batafsil: https://react.dev/blog/2024/04/25/react-19#improvements-in-react-19
react.dev React v19 – React The library for web and native user interfaces
  • 🔥 14
  • 👍 8
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