fix(svelte-query): allow per-query persisters in createQuery

.changeset/svelte-query-persister-options.md

@@ -0,0 +1,5 @@
+---
+'@tanstack/svelte-query': patch
+---
+
+Fix createQuery types to allow overriding query persisters per query.

packages/svelte-query/src/types.ts

@@ -16,6 +16,7 @@ import type {
   QueryKey,
   QueryObserverOptions,
   QueryObserverResult,
+  QueryPersister,
 } from '@tanstack/query-core'
 
 export type Accessor<T> = () => T
@@ -41,7 +42,12 @@ export type CreateQueryOptions<
   TError = DefaultError,
   TData = TQueryFnData,
   TQueryKey extends QueryKey = QueryKey,
-> = CreateBaseQueryOptions<TQueryFnData, TError, TData, TQueryFnData, TQueryKey>
+> = OmitKeyof<
+  CreateBaseQueryOptions<TQueryFnData, TError, TData, TQueryFnData, TQueryKey>,
+  'persister'
+> & {
+  persister?: QueryPersister<any, any>
+}
 
 /** Result from createQuery */
 export type CreateQueryResult<

packages/svelte-query/tests/createQuery/createQuery.test-d.ts

@@ -1,8 +1,29 @@
 import { describe, expectTypeOf, it } from 'vitest'
 import { queryKey } from '@tanstack/query-test-utils'
 import { createQuery, queryOptions } from '../../src/index.js'
+import type {
+  Query,
+  QueryFunctionContext,
+  QueryKey,
+} from '@tanstack/query-core'
 
 describe('createQuery', () => {
+  it('should allow a per-query persister', () => {
+    const persister = undefined as unknown as <T, TQueryKey extends QueryKey>(
+      queryFn: (context: QueryFunctionContext<TQueryKey>) => T | Promise<T>,
+      context: QueryFunctionContext<TQueryKey>,
+      query: Query,
+    ) => Promise<T>
+
+    const { data } = createQuery(() => ({
+      queryKey: ['todos'],
+      queryFn: () => Promise.resolve(['todo']),
+      persister,
+    }))
+
+    expectTypeOf(data).toEqualTypeOf<Array<string> | undefined>()
+  })
+
   describe('initialData', () => {
     describe('Config object overload', () => {
       it('TData should always be defined when initialData is provided as an object', () => {