deno.land / x / jotai@v1.8.4 / src / query / atomWithInfiniteQuery.ts

atomWithInfiniteQuery.ts
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import { InfiniteQueryObserver, isCancelledError } from '@tanstack/query-core'import type { InfiniteData, InfiniteQueryObserverOptions, QueryKey, QueryObserverResult, RefetchOptions, RefetchQueryFilters,} from '@tanstack/query-core'import { atom } from 'jotai'import type { WritableAtom } from 'jotai'import { queryClientAtom } from './queryClientAtom'import { CreateQueryOptions, GetQueryClient } from './types'
type AtomWithInfiniteQueryAction<TQueryFnData> = | { type: 'refetch' payload: Partial<RefetchOptions & RefetchQueryFilters<TQueryFnData>> } | { type: 'fetchNextPage' } | { type: 'fetchPreviousPage' }
export interface AtomWithInfiniteQueryOptions< TQueryFnData, TError, TData, TQueryData, TQueryKey extends QueryKey> extends InfiniteQueryObserverOptions< TQueryFnData, TError, TData, TQueryData, TQueryKey > { queryKey: TQueryKey}
export interface AtomWithInfiniteQueryOptionsWithEnabled< TQueryFnData, TError, TData, TQueryData, TQueryKey extends QueryKey> extends Omit< AtomWithInfiniteQueryOptions< TQueryFnData, TError, TData, TQueryData, TQueryKey >, 'enabled' > { enabled: boolean}
export function atomWithInfiniteQuery< TQueryFnData, TError, TData = TQueryFnData, TQueryData = TQueryFnData, TQueryKey extends QueryKey = QueryKey>( createQuery: CreateQueryOptions< AtomWithInfiniteQueryOptionsWithEnabled< TQueryFnData, TError, TData, TQueryData, TQueryKey > >, getQueryClient?: GetQueryClient): WritableAtom< InfiniteData<TData> | undefined, AtomWithInfiniteQueryAction<TQueryFnData>>
export function atomWithInfiniteQuery< TQueryFnData, TError, TData = TQueryFnData, TQueryData = TQueryFnData, TQueryKey extends QueryKey = QueryKey>( createQuery: CreateQueryOptions< AtomWithInfiniteQueryOptions< TQueryFnData, TError, TData, TQueryData, TQueryKey > >, getQueryClient?: GetQueryClient): WritableAtom<InfiniteData<TData>, AtomWithInfiniteQueryAction<TQueryFnData>>
export function atomWithInfiniteQuery< TQueryFnData, TError, TData = TQueryFnData, TQueryData = TQueryFnData, TQueryKey extends QueryKey = QueryKey>( createQuery: CreateQueryOptions< AtomWithInfiniteQueryOptions< TQueryFnData, TError, TData, TQueryData, TQueryKey > >, getQueryClient: GetQueryClient = (get) => get(queryClientAtom)): WritableAtom< InfiniteData<TData | TQueryData> | undefined, AtomWithInfiniteQueryAction<TQueryFnData>> { type Result = QueryObserverResult<InfiniteData<TData>, TError> type State = { isMounted: boolean unsubscribe: (() => void) | null } const queryDataAtom = atom( (get) => { const queryClient = getQueryClient(get) const options = typeof createQuery === 'function' ? createQuery(get) : createQuery
const defaultedOptions = queryClient.defaultQueryOptions(options) const observer = new InfiniteQueryObserver(queryClient, defaultedOptions) const initialResult = observer.getCurrentResult()
let resolve: ((result: Result) => void) | null = null const resultAtom = atom<Result | Promise<Result>>( initialResult.data === undefined && options.enabled !== false ? new Promise<Result>((r) => { resolve = r }) : initialResult ) let setResult: (result: Result) => void = () => { throw new Error('setting result without mount') } const state: State = { isMounted: false, unsubscribe: null, } const listener = (result: Result) => { if ( result.isFetching || (!result.isError && result.data === undefined) || (result.isError && isCancelledError(result.error)) ) { return } if (resolve) { setTimeout(() => { if (!state.isMounted) { state.unsubscribe?.() state.unsubscribe = null } }, 1000) resolve(result) resolve = null } else { setResult(result) } } if (options.enabled !== false) { state.unsubscribe = observer.subscribe(listener) } resultAtom.onMount = (update) => { setResult = update state.isMounted = true if (options.enabled !== false && !state.unsubscribe) { state.unsubscribe = observer.subscribe(listener) listener(observer.getCurrentResult()) } return () => state.unsubscribe?.() } return { options, resultAtom, observer, state } }, (get, set, action: AtomWithInfiniteQueryAction<TQueryFnData>) => { const { options, resultAtom, observer, state } = get(queryDataAtom) if (options.enabled === false) { return } switch (action.type) { case 'refetch': { set(resultAtom, new Promise<never>(() => {})) // infinite pending if (!state.isMounted) { state.unsubscribe?.() state.unsubscribe = null } observer.refetch(action.payload).then((result) => { set(resultAtom, result) }) return } case 'fetchPreviousPage': { observer.fetchPreviousPage() return } case 'fetchNextPage': { observer.fetchNextPage() return } } } )
const queryAtom = atom< InfiniteData<TData> | undefined, AtomWithInfiniteQueryAction<TQueryFnData> >( (get) => { const { resultAtom } = get(queryDataAtom) const result = get(resultAtom) if (result.isError) { throw result.error } return result.data }, (_get, set, action) => set(queryDataAtom, action) // delegate action ) return queryAtom}
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Tagged at
2 years ago