From 2c5b7da8165e3f8b90748e8ced1de0e3e8d52309 Mon Sep 17 00:00:00 2001 From: lazydancer Date: Sun, 22 Dec 2024 17:33:11 -0500 Subject: Initial --- frontend/src/usePolling.js | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 frontend/src/usePolling.js (limited to 'frontend/src/usePolling.js') diff --git a/frontend/src/usePolling.js b/frontend/src/usePolling.js new file mode 100644 index 0000000..3081312 --- /dev/null +++ b/frontend/src/usePolling.js @@ -0,0 +1,32 @@ +// 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; \ No newline at end of file -- cgit v1.3