From 1707df71df2c1d2701174486313ed202204f0a91 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Tue, 24 Aug 2021 11:11:30 -0700
Subject: [PATCH] Try to reduce repitition in CursorIterator

---
 src/matrix/storage/idb/utils.ts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/matrix/storage/idb/utils.ts b/src/matrix/storage/idb/utils.ts
index ae2bd03f..1339b6b9 100644
--- a/src/matrix/storage/idb/utils.ts
+++ b/src/matrix/storage/idb/utils.ts
@@ -144,9 +144,7 @@ export function txnAsPromise(txn): Promise<void> {
  * Thus, when a value is available (an `IDBCursorWithValue` is given), we require a function `(T) => ...`, and when it is not, we require
  * a function `(undefined) => ...`.
  */
-type CursorIterator<T, I extends IDBCursor> = I extends IDBCursorWithValue ?
-    (value: T, key: IDBValidKey, cursor: IDBCursorWithValue) => { done: boolean, jumpTo?: IDBValidKey } :
-    (value: undefined, key: IDBValidKey, cursor: IDBCursor) => { done: boolean, jumpTo?: IDBValidKey }
+type CursorIterator<T, I extends IDBCursor> = (value: I extends IDBCursorWithValue ? T : undefined, key: IDBValidKey, cursor: I) => { done: boolean, jumpTo?: IDBValidKey }
 
 export function iterateCursor<T, I extends IDBCursor = IDBCursorWithValue>(cursorRequest: IDBRequest<I | null>, processValue: CursorIterator<T, I>): Promise<boolean> {
     // TODO: does cursor already have a value here??