{"version":3,"file":"infiniteQueryObserver.cjs","names":["QueryObserver","hasNextPage","hasPreviousPage"],"sources":["../../src/infiniteQueryObserver.ts"],"sourcesContent":["import { QueryObserver } from './queryObserver'\nimport { hasNextPage, hasPreviousPage } from './infiniteQueryBehavior'\nimport type { Subscribable } from './subscribable'\nimport type {\n  DefaultError,\n  DefaultedInfiniteQueryObserverOptions,\n  FetchNextPageOptions,\n  FetchPreviousPageOptions,\n  InfiniteData,\n  InfiniteQueryObserverBaseResult,\n  InfiniteQueryObserverOptions,\n  InfiniteQueryObserverResult,\n  QueryKey,\n} from './types'\nimport type { QueryClient } from './queryClient'\nimport type { Query } from './query'\n\ntype InfiniteQueryObserverListener<TData, TError> = (\n  result: InfiniteQueryObserverResult<TData, TError>,\n) => void\n\nexport class InfiniteQueryObserver<\n  TQueryFnData = unknown,\n  TError = DefaultError,\n  TData = InfiniteData<TQueryFnData>,\n  TQueryKey extends QueryKey = QueryKey,\n  TPageParam = unknown,\n> extends QueryObserver<\n  TQueryFnData,\n  TError,\n  TData,\n  InfiniteData<TQueryFnData, TPageParam>,\n  TQueryKey\n> {\n  // Type override\n  subscribe!: Subscribable<\n    InfiniteQueryObserverListener<TData, TError>\n  >['subscribe']\n\n  // Type override\n  getCurrentResult!: ReplaceReturnType<\n    QueryObserver<\n      TQueryFnData,\n      TError,\n      TData,\n      InfiniteData<TQueryFnData, TPageParam>,\n      TQueryKey\n    >['getCurrentResult'],\n    InfiniteQueryObserverResult<TData, TError>\n  >\n\n  // Type override\n  protected fetch!: ReplaceReturnType<\n    QueryObserver<\n      TQueryFnData,\n      TError,\n      TData,\n      InfiniteData<TQueryFnData, TPageParam>,\n      TQueryKey\n    >['fetch'],\n    Promise<InfiniteQueryObserverResult<TData, TError>>\n  >\n\n  constructor(\n    client: QueryClient,\n    options: InfiniteQueryObserverOptions<\n      TQueryFnData,\n      TError,\n      TData,\n      TQueryKey,\n      TPageParam\n    >,\n  ) {\n    super(client, options)\n  }\n\n  protected bindMethods(): void {\n    super.bindMethods()\n    this.fetchNextPage = this.fetchNextPage.bind(this)\n    this.fetchPreviousPage = this.fetchPreviousPage.bind(this)\n  }\n\n  setOptions(\n    options: InfiniteQueryObserverOptions<\n      TQueryFnData,\n      TError,\n      TData,\n      TQueryKey,\n      TPageParam\n    >,\n  ): void {\n    options._type = 'infinite'\n    super.setOptions(options)\n  }\n\n  getOptimisticResult(\n    options: DefaultedInfiniteQueryObserverOptions<\n      TQueryFnData,\n      TError,\n      TData,\n      TQueryKey,\n      TPageParam\n    >,\n  ): InfiniteQueryObserverResult<TData, TError> {\n    options._type = 'infinite'\n    return super.getOptimisticResult(options) as InfiniteQueryObserverResult<\n      TData,\n      TError\n    >\n  }\n\n  fetchNextPage(\n    options?: FetchNextPageOptions,\n  ): Promise<InfiniteQueryObserverResult<TData, TError>> {\n    return this.fetch({\n      ...options,\n      meta: {\n        fetchMore: { direction: 'forward' },\n      },\n    })\n  }\n\n  fetchPreviousPage(\n    options?: FetchPreviousPageOptions,\n  ): Promise<InfiniteQueryObserverResult<TData, TError>> {\n    return this.fetch({\n      ...options,\n      meta: {\n        fetchMore: { direction: 'backward' },\n      },\n    })\n  }\n\n  protected createResult(\n    query: Query<\n      TQueryFnData,\n      TError,\n      InfiniteData<TQueryFnData, TPageParam>,\n      TQueryKey\n    >,\n    options: InfiniteQueryObserverOptions<\n      TQueryFnData,\n      TError,\n      TData,\n      TQueryKey,\n      TPageParam\n    >,\n  ): InfiniteQueryObserverResult<TData, TError> {\n    const { state } = query\n    const parentResult = super.createResult(query, options)\n\n    const { isFetching, isRefetching, isError, isRefetchError } = parentResult\n    const fetchDirection = state.fetchMeta?.fetchMore?.direction\n\n    const isFetchNextPageError = isError && fetchDirection === 'forward'\n    const isFetchingNextPage = isFetching && fetchDirection === 'forward'\n\n    const isFetchPreviousPageError = isError && fetchDirection === 'backward'\n    const isFetchingPreviousPage = isFetching && fetchDirection === 'backward'\n\n    const result: InfiniteQueryObserverBaseResult<TData, TError> = {\n      ...parentResult,\n      fetchNextPage: this.fetchNextPage,\n      fetchPreviousPage: this.fetchPreviousPage,\n      hasNextPage: hasNextPage(options, state.data),\n      hasPreviousPage: hasPreviousPage(options, state.data),\n      isFetchNextPageError,\n      isFetchingNextPage,\n      isFetchPreviousPageError,\n      isFetchingPreviousPage,\n      isRefetchError:\n        isRefetchError && !isFetchNextPageError && !isFetchPreviousPageError,\n      isRefetching:\n        isRefetching && !isFetchingNextPage && !isFetchingPreviousPage,\n    }\n\n    return result as InfiniteQueryObserverResult<TData, TError>\n  }\n}\n\ntype ReplaceReturnType<\n  TFunction extends (...args: Array<any>) => unknown,\n  TReturn,\n> = (...args: Parameters<TFunction>) => 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