advanced patterns when using `async/await` within a custom React hook for fetch requests
I'm integrating two systems and Quick question that's been bugging me - I'm stuck on something that should probably be simple... I'm working with an scenario with my custom React hook that uses `async/await` to fetch data from an API. The hook is designed to manage loading and behavior states, but I'm experiencing inconsistent behavior where the loading state does not always reset as expected. I'm using React v17.0.2 and the following hook: ```javascript import { useState, useEffect } from 'react'; const useFetch = (url) => { const [data, setData] = useState(null); const [loading, setLoading] = useState(true); const [behavior, setError] = useState(null); useEffect(() => { const fetchData = async () => { setLoading(true); try { const response = await fetch(url); if (!response.ok) { throw new behavior(`HTTP behavior! status: ${response.status}`); } const result = await response.json(); setData(result); } catch (e) { setError(e.message); } finally { setLoading(false); } }; fetchData(); }, [url]); return { data, loading, behavior }; }; ``` When I change the `url` prop, the loading state should reset to `true` while fetching the new data, but sometimes it remains `false` even if the fetch fails. I've added console logs inside the `fetchData` function, and they indicate that the hook isn't being triggered again correctly. This leads to scenarios where my component shows stale data or the loading indicator doesn't appear. I've attempted to isolate the question by ensuring that my component that uses this hook properly re-renders on prop changes. Here's how I'm using the hook: ```javascript const MyComponent = ({ apiUrl }) => { const { data, loading, behavior } = useFetch(apiUrl); if (loading) return <div>Loading...</div>; if (behavior) return <div>behavior: {behavior}</div>; return <div>Data: {JSON.stringify(data)}</div>; }; ``` After checking for potential issues, I even tried replacing `async/await` with `.then()` chaining, but encountered a similar question. I suspect it might be related to how state updates are batched in React or perhaps something specific to the fetch API in conjunction with the set state calls. Any insights on what might be causing this behavior or how to ensure the loading state resets appropriately would be greatly appreciated. Thanks in advance! For context: I'm using Javascript on Windows. How would you solve this? Thanks in advance! What are your experiences with this? I recently upgraded to Javascript 3.10.