Require initialPageParam value

Author: markerikson

packages/toolkit/src/query/core/apiState.ts

@@ -45,6 +45,7 @@ export type GetPreviousPageParamFunction<TPageParam, TQueryFnData> = (
 ) => TPageParam | undefined | null
 
 export type InfiniteQueryConfigOptions<TQueryFnData, TPageParam> = {
+  initialPageParam: TPageParam
   /**
    * This function can be set to automatically get the previous cursor for infinite queries.
    * The result will also be used to determine the value of `hasPreviousPage`.

packages/toolkit/src/query/core/buildThunks.ts

@@ -561,7 +561,8 @@ export function buildThunks<
           // Fetch first page
           result = await fetchPage(
             existingData,
-            existingData.pageParams[0] ?? arg.originalArgs,
+            existingData.pageParams[0] ??
+              endpointDefinition.infiniteQueryOptions.initialPageParam, // arg.originalArgs,
           )
 
           //original

packages/toolkit/src/query/react/buildHooks.ts

@@ -1943,6 +1943,7 @@ export function buildHooks<Definitions extends EndpointDefinitions>({
         const queryStateResults = useInfiniteQueryState(
           arg,
           {
+            initialPageParam: options?.initialPageParam!,
             getNextPageParam: options?.getNextPageParam!,
             getPreviousPageParam: options?.getPreviousPageParam,
           },