1 files changed, 6 insertions, 17 deletions
diff --git a/packages/web-util/src/hooks/useNotifications.ts b/packages/web-util/src/hooks/useNotifications.ts
index 99f4f2699..81a1ae91e 100644
--- a/packages/web-util/src/hooks/useNotifications.ts
+++ b/packages/web-util/src/hooks/useNotifications.ts
@@ -1,6 +1,7 @@
 import {
   AbsoluteTime,
   Duration,
+  OperationAlternative,
   OperationFail,
   OperationOk,
   OperationResult,
@@ -9,7 +10,7 @@ import {
   TranslatedString,
 } from "@gnu-taler/taler-util";
 import { useEffect, useState } from "preact/hooks";
-import { ButtonHandler } from "../components/Button.js";
+import { ButtonHandler, OnOperationFailReturnType, OnOperationSuccesReturnType } from "../components/Button.js";
 import {
   InternationalizationAPI,
   memoryMap,
@@ -207,14 +208,8 @@ export function useLocalNotification(): [
 
 type HandlerMaker = <T extends OperationResult<A, B>, A, B>(
   onClick: () => Promise<T | undefined>,
-  onOperationSuccess:
-    | ((result: T extends OperationOk<any> ? T : never) => void)
-    | ((
-      result: T extends OperationOk<any> ? T : never,
-    ) => TranslatedString | undefined),
-  onOperationFail: (
-    d: T extends OperationFail<any> ? T : never,
-  ) => TranslatedString,
+  onOperationSuccess: OnOperationSuccesReturnType<T>,
+  onOperationFail: OnOperationFailReturnType<T>,
   onOperationComplete?: () => void,
 ) => ButtonHandler<T, A, B>;
 
@@ -235,14 +230,8 @@ export function useLocalNotificationHandler(): [
 
   function makeHandler<T extends OperationResult<A, B>, A, B>(
     onClick: () => Promise<T | undefined>,
-    onOperationSuccess:
-      | ((result: T extends OperationOk<any> ? T : never) => void)
-      | ((
-        result: T extends OperationOk<any> ? T : never,
-      ) => TranslatedString | undefined),
-    onOperationFail: (
-      d: T extends OperationFail<any> ? T : never,
-    ) => TranslatedString,
+    onOperationSuccess:OnOperationSuccesReturnType<T>,
+    onOperationFail: OnOperationFailReturnType<T>,
     onOperationComplete?: () => void,
   ): ButtonHandler<T, A, B> {
     return {