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Add additional info about SWR infinite load to response (#321)

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The SWR response only has "isLoading" and "isValidating".
"isLoading" only indicates the initial load.
For every subsequent load, only "isValidating" gets set to true.
This commit is contained in:
schroda
2023-05-28 02:18:23 +02:00
committed by GitHub
parent 606ee9de2d
commit f852255d82
1 changed files with 18 additions and 9 deletions
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27
src/lib/RequestManager.ts
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@@ -52,10 +52,16 @@ type CustomSWROptions<Data> = {
type SWROptions<Data = any, Error = any> = SWRConfiguration<Data, Error> & CustomSWROptions<Data>;
type SWRInfiniteOptions<Data = any, Error = any> = SWRInfiniteConfiguration<Data, Error> & CustomSWROptions<Data>;
type SWRInfiniteResponseLoadInfo = {
isInitialLoad: boolean;
isLoadMore: boolean;
};
type AbortableRequest = { abortRequest: AbortController['abort'] };
type AbortableAxiosResponse<Data = any> = { response: Promise<AxiosResponse<Data>> } & AbortableRequest;
type AbortableSWRResponse<Data = any, Error = any> = SWRResponse<Data, Error> & AbortableRequest;
type AbortableSWRInfiniteResponse<Data = any, Error = any> = SWRInfiniteResponse<Data, Error> & AbortableRequest;
type AbortableSWRInfiniteResponse<Data = any, Error = any> = SWRInfiniteResponse<Data, Error> &
AbortableRequest &
SWRInfiniteResponseLoadInfo;
// the following endpoints have not been implemented:
// - PUT /api/v1/manga/{mangaId}/chapter/{chapterIndex} - modify chapter # PATCH endpoint used instead
@@ -144,11 +150,11 @@ export class RequestManager {
axiosOptions,
swrOptions,
}: { data?: any; axiosOptions?: AxiosRequestConfig; swrOptions?: OptionsSWR } = {},
): SWRInfiniteResponse<Data, ErrorResponse> {
): SWRInfiniteResponse<Data, ErrorResponse> & SWRInfiniteResponseLoadInfo {
const { skipRequest, ...swrConfig } = swrOptions ?? {};
// useSWRInfinite will (by default) revalidate the first page, to check if the other pages have to be revalidated as well
const result = useSWRInfinite<Data, ErrorResponse>(
const swrResult = useSWRInfinite<Data, ErrorResponse>(
(index, previousData) => {
const pageEndpoint = getEndpoint(index, previousData);
return pageEndpoint !== null && !skipRequest ? this.getValidUrlFor(pageEndpoint) : null;
@@ -159,14 +165,17 @@ export class RequestManager {
},
);
return {
...result,
const isNextPageMissing = !!swrResult.data && typeof swrResult.data[swrResult.size - 1] === 'undefined';
const isLoadingMore = swrResult.size > 0 && isNextPageMissing;
const customSwrResult = {
...swrResult,
isInitialLoad: swrResult.isLoading,
// SWR "isLoading" state is only updated for the first load, for every subsequent load it's "false"
isLoading:
result.isLoading ||
// check if more data is being loaded
(result.size > 0 && !!result.data && typeof result.data[result.size - 1] === 'undefined'),
isLoadMore: !swrResult.isLoading && isLoadingMore,
};
customSwrResult.isLoading = customSwrResult.isInitialLoad || customSwrResult.isLoadMore;
return customSwrResult;
}
/**