While following a tutorial, I stumbled upon this code snippet:
import useSWR from "swr"
import { fetcher } from "./fetcher"
export function useFeed() {
const { data: feed } = useSWR("/api/feed", fetcher)
return { feed }
}
What's the significance of the : between data and feed? Why is feed being returned instead of data? The pattern of using semicolons in the Next.js SWR documentation seems to be consistent. Could someone clarify its purpose?
This particular code snippet is not related to the swr library. It actually showcases a feature of ES6 syntax that allows for renaming variables during destructuring. This can be especially useful in cases where variable names might conflict or if you simply want to give them more descriptive names.
If you prefer, you could achieve the same result by using the following alternative syntax:
export function fetchUserData() {
const userData = useSWR("/api/user", fetcher).data;
return { userData };
}
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