zrozumiecReact.pl

import { useQuery } from "@tanstack/react-query";

export default function App() {
    
    const { data, isPending } = useQuery({
      queryKey: ["price"], 
      queryFn: () => fetch("https://api.coinbase.com/v2/prices/BTC-USD/buy")
        .then(res => res.json())
      });

    return (<>
        <h1>Cena bitcoina</h1>
        <p>Aktualna cena bitcoina:</p>
        {isPending ? <p>Ładowanie...</p> : 
        <>
          <p>{data.data.amount} {data.data.currency} </p>
          <button>Odśwież</button>
        </>}
    </>);
}