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// usePolling.js
import { useState, useEffect } from 'react';
const usePolling = (url, interval) => {
const [data, setData] = useState(null);
const [error, setError] = useState('');
useEffect(() => {
const fetchData = async () => {
try {
const response = await fetch(url);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const result = await response.json();
setData(result);
setError(null);
} catch (err) {
setError('Failed to fetch data: ' + err.message);
}
};
fetchData();
const pollingInterval = setInterval(fetchData, interval);
return () => clearInterval(pollingInterval);
}, [url, interval]);
return { data, error };
};
export default usePolling;
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