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6 changes: 3 additions & 3 deletions packages/query-core/src/__tests__/queryClient.test-d.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -293,15 +293,15 @@ describe('fully typed usage', () => {
>()
expectTypeOf(queryData3).toEqualTypeOf<TData | undefined>()

const queriesData2 = queryClient.setQueriesData(queryFilters, { foo: '' }) // TODO: types here are wrong and coming up undefined
const queriesData2 = queryClient.setQueriesData(queryFilters, { foo: '' })
type SetQueriesDataUpdaterArg = Parameters<
typeof queryClient.setQueriesData<unknown, typeof queryFilters>
>[1]

expectTypeOf<SetQueriesDataUpdaterArg>().toEqualTypeOf<
Updater<unknown, unknown>
>()
expectTypeOf(queriesData2).toEqualTypeOf<Array<[QueryKey, unknown]>>()
expectTypeOf(queriesData2).toEqualTypeOf<Array<[QueryKey, TData | undefined]>>()

const queryState = queryClient.getQueryState(filterKey)
expectTypeOf(queryState).toEqualTypeOf<
Expand Down Expand Up @@ -432,7 +432,7 @@ describe('fully typed usage', () => {
>()
expectTypeOf(queryData3).toEqualTypeOf<unknown>()

const queriesData2 = queryClient.setQueriesData(queryFilters, { foo: '' }) // TODO: types here are wrong and coming up undefined
const queriesData2 = queryClient.setQueriesData(queryFilters, { foo: '' })
type SetQueriesDataUpdaterArg = Parameters<
typeof queryClient.setQueriesData<unknown, typeof queryFilters>
>[1]
Expand Down
26 changes: 26 additions & 0 deletions packages/query-core/src/queryClient.ts
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,11 @@ interface MutationDefaults {
defaultOptions: MutationOptions<any, any, any, any>
}

type QueryDataForFilters<TQueryFilters extends QueryFilters> =
TQueryFilters extends QueryFilters<infer TQueryKey>
? InferDataFromTag<unknown, TQueryKey>
: unknown

// CLASS

export class QueryClient {
Expand Down Expand Up @@ -206,6 +211,27 @@ export class QueryClient {
.setData(data, { ...options, manual: true })
}

setQueriesData<TQueryFilters extends QueryFilters<any>>(
filters: TQueryFilters,
updater: Updater<
NoInfer<QueryDataForFilters<TQueryFilters>> | undefined,
NoInfer<QueryDataForFilters<TQueryFilters>> | undefined
>,
options?: SetDataOptions,
): Array<
[QueryKey, QueryDataForFilters<TQueryFilters> | undefined]
>
setQueriesData<
TQueryFnData,
TQueryFilters extends QueryFilters<any> = QueryFilters,
>(
filters: TQueryFilters,
updater: Updater<
NoInfer<TQueryFnData> | undefined,
NoInfer<TQueryFnData> | undefined
>,
options?: SetDataOptions,
): Array<[QueryKey, TQueryFnData | undefined]>
setQueriesData<
TQueryFnData,
TQueryFilters extends QueryFilters<any> = QueryFilters,
Expand Down