55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
/*
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This file is part of TALER
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(C) 2016 GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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import { BalancesResponse } from "@gnu-taler/taler-util";
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import { useEffect, useState } from "preact/hooks";
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import * as wxApi from "../wxApi";
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interface BalancesHookOk {
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hasError: false;
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response: BalancesResponse;
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}
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interface BalancesHookError {
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hasError: true;
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message: string;
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}
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export type BalancesHook = BalancesHookOk | BalancesHookError | undefined;
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export function useBalances(): BalancesHook {
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const [balance, setBalance] = useState<BalancesHook>(undefined);
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useEffect(() => {
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async function checkBalance() {
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try {
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const response = await wxApi.getBalance();
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console.log("got balance", balance);
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setBalance({ hasError: false, response });
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} catch (e) {
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console.error("could not retrieve balances", e);
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if (e instanceof Error) {
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setBalance({ hasError: true, message: e.message });
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}
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}
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}
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checkBalance()
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return wxApi.onUpdateNotification(checkBalance);
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}, []);
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return balance;
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}
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