onedrive/utils/fetchWithSWR.ts
2022-01-06 21:16:20 +08:00

66 lines
2.2 KiB
TypeScript

import axios from 'axios'
import useSWR, { cache, Key, useSWRInfinite } from 'swr'
import { getStoredToken } from './protectedRouteHandler'
// Common axios fetch function for use with useSWR
export function fetcher(url: string, token?: string): Promise<any> {
return token
? axios
.get(url, {
headers: { 'od-protected-token': token },
})
.then(res => res.data)
: axios.get(url).then(res => res.data)
}
/**
* Use stale SWR instead of revalidating on each request. Not ideal for this scenario but have to do
* if fetching serverside props from component instead of pages.
* @param url request url
* @returns useSWR instance
*/
export function useStaleSWR({ url, path = '' }: { url: Key; path?: string }) {
const revalidationOptions = {
revalidateOnMount: !(cache.has(`arg@"${url}"@null`) || cache.has(url)),
revalidateOnFocus: false,
revalidateOnReconnect: true,
}
const hashedToken = getStoredToken(path)
return useSWR([url, hashedToken], fetcher, revalidationOptions)
}
/**
* Paging with useSWRInfinite + protected token support
* @param path Current query directory path
* @returns useSWRInfinite API
*/
export function useProtectedSWRInfinite(path: string = '') {
const hashedToken = getStoredToken(path)
/**
* Next page infinite loading for useSWR
* @param pageIdx The index of this paging collection
* @param prevPageData Previous page information
* @param path Directory path
* @returns API to the next page
*/
function getNextKey(pageIndex, previousPageData): (string | null)[] | null {
// Reached the end of the collection
if (previousPageData && !previousPageData.folder) return null
// First page with no prevPageData
if (pageIndex === 0) return [`/api?path=${path}`, hashedToken]
// Add nextPage token to API endpoint
return [`/api?path=${path}&next=${previousPageData.next}`, hashedToken]
}
// const revalidationOptions = {
// revalidateOnMount: !(cache.has(`arg@"/api?path=${path}"@null`) || cache.has(`/api?path=${path}`)),
// revalidateOnFocus: false,
// revalidateOnReconnect: true,
// }
// return useSWRInfinite(getNextKey, fetcher, revalidationOptions)
return useSWRInfinite(getNextKey, fetcher)
}