fix: include undefined in IniniteQueryResult data type (#738)

* fix: include undefined in IniniteQueryResult data type * fix: dtslint Co-authored-by: Benedikt <benedikt.viebahn@bringmeister.de>
TanStack · Jul 11, 2020 · 52ce234 · 52ce234 · vercel · Jul 11, 2020
1 parent 119fe8c
commit 52ce234
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/types/index.d.ts b/types/index.d.ts
@@ -378,7 +378,7 @@ export type PaginatedQueryResult<TResult, TError = Error> =
 
 export interface InfiniteQueryResult<TResult, TMoreVariable, TError = Error>
   extends QueryResultBase<TResult[], TError> {
-  data: TResult[]
+  data: TResult[] | undefined
   isFetchingMore: false | 'previous' | 'next'
   canFetchMore: boolean | undefined
   fetchMore: (

diff --git a/types/test.ts b/types/test.ts
@@ -339,7 +339,7 @@ function simpleInfiniteQuery(condition: boolean) {
   //     getFetchMore: (last, all) => 'string',
   // });
 
-  infiniteQuery.data // $ExpectType number[][]
+  infiniteQuery.data // $ExpectType number[][] | undefined
   infiniteQuery.fetchMore() // $ExpectType Promise<number[][]> | undefined
   infiniteQuery.fetchMore('next') // $ExpectType Promise<number[][]> | undefined
   infiniteQuery.fetchMore('next', { previous: true }) // $ExpectType Promise<number[][]> | undefined
@@ -352,14 +352,14 @@ function infiniteQueryWithObjectSyntax() {
     config: {
       getFetchMore: (last: { next: number }) => last.next, // annotation on this type is required to infer the type
     },
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
   useInfiniteQuery({
     queryKey: ['key', 1],
     queryFn: async (key, id, next = 0) => ({ next: next + 1 }),
     config: {
       getFetchMore: (last: { next: number }) => last.next, // annotation on this type is required to infer the type
     },
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
   useInfiniteQuery({
     queryKey: 'key',
     queryFn: async (
@@ -369,7 +369,7 @@ function infiniteQueryWithObjectSyntax() {
     config: {
       getFetchMore: (last: { next: number }) => last.next, // annotation on this type is required to infer the type
     },
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
   useInfiniteQuery({
     queryKey: 'key',
     queryFn: async (
@@ -379,15 +379,15 @@ function infiniteQueryWithObjectSyntax() {
     config: {
       getFetchMore: (last: { next: number }) => last.next, // annotation on this type is required to infer the type
     },
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
 
   useInfiniteQuery<{ next: number }, string, undefined>({
     queryKey: 'key',
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
 
   useInfiniteQuery<{ next: number }, [string], undefined>({
     queryKey: ['key'],
-  }).data // $ExpectType { next: number; }[]
+  }).data // $ExpectType { next: number; }[] | undefined
 }
 
 function log(...args: any[]) {}