55 lines
No EOL
1.7 KiB
TypeScript
55 lines
No EOL
1.7 KiB
TypeScript
import { InfiniteData, QueryKey, UseInfiniteQueryResult } from '@tanstack/react-query';
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import { queryClient } from 'soapbox/jest/test-helpers';
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import { PaginatedResult } from '../queries';
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const flattenPages = <T>(queryData: UseInfiniteQueryResult<PaginatedResult<T>>['data']) => {
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return queryData?.pages.reduce<T[]>(
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(prev: T[], curr) => [...curr.result, ...prev],
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[],
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);
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};
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const updatePageItem = <T>(queryKey: QueryKey, newItem: T, isItem: (item: T, newItem: T) => boolean) => {
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queryClient.setQueriesData<InfiniteData<PaginatedResult<T>>>(queryKey, (data) => {
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if (data) {
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const pages = data.pages.map(page => {
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const result = page.result.map(item => isItem(item, newItem) ? newItem : item);
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return { ...page, result };
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});
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return { ...data, pages };
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}
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});
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};
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/** Insert the new item at the beginning of the first page. */
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const appendPageItem = <T>(queryKey: QueryKey, newItem: T) => {
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queryClient.setQueryData<InfiniteData<PaginatedResult<T>>>(queryKey, (data) => {
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if (data) {
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const pages = [...data.pages];
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pages[0] = { ...pages[0], result: [...pages[0].result, newItem] };
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return { ...data, pages };
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}
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});
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};
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/** Remove an item inside if found. */
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const removePageItem = <T>(queryKey: QueryKey, itemToRemove: T, isItem: (item: T, newItem: T) => boolean) => {
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queryClient.setQueriesData<InfiniteData<PaginatedResult<T>>>(queryKey, (data) => {
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if (data) {
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const pages = data.pages.map(page => {
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const result = page.result.filter(item => !isItem(item, itemToRemove));
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return { ...page, result };
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});
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return { ...data, pages };
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}
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});
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};
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export {
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flattenPages,
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updatePageItem,
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appendPageItem,
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removePageItem,
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}; |