/*
This file is part of TALER
(C) 2016 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see
*/
import { NotificationType } from "@gnu-taler/taler-util";
import { useEffect, useState } from "preact/hooks";
import * as wxApi from "../wxApi";
interface HookOk {
hasError: false;
response: T;
}
interface HookError {
hasError: true;
message: string;
}
export type HookResponse = HookOk | HookError | undefined;
//"withdraw-group-finished"
export function useAsyncAsHook(
fn: () => Promise,
updateOnNotification?: Array,
): HookResponse {
const [result, setHookResponse] = useState>(undefined);
useEffect(() => {
async function doAsync() {
try {
const response = await fn();
setHookResponse({ hasError: false, response });
} catch (e) {
if (e instanceof Error) {
setHookResponse({ hasError: true, message: e.message });
}
}
}
doAsync();
if (updateOnNotification && updateOnNotification.length > 0) {
return wxApi.onUpdateNotification(updateOnNotification, () => {
doAsync();
});
}
}, []);
return result;
}