/* This file is part of GNU Taler (C) 2021-2023 Taler Systems S.A. GNU 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. GNU 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 GNU Taler; see the file COPYING. If not, see */ /** * * @author Sebastian Javier Marchano (sebasjm) */ import { useState } from "preact/hooks"; import { Notification } from "../utils/types.js"; interface Result { notifications: Notification[]; pushNotification: (n: Notification) => void; removeNotification: (n: Notification) => void; } type NotificationWithDate = Notification & { since: Date }; export function useNotifications( initial: Notification[] = [], timeout = 3000, ): Result { const [notifications, setNotifications] = useState( initial.map((i) => ({ ...i, since: new Date() })), ); const pushNotification = (n: Notification): void => { const entry = { ...n, since: new Date() }; setNotifications((ns) => [...ns, entry]); if (n.type !== "ERROR") setTimeout(() => { setNotifications((ns) => ns.filter((x) => x.since !== entry.since)); }, timeout); }; const removeNotification = (notif: Notification) => { setNotifications((ns: NotificationWithDate[]) => ns.filter((n) => n !== notif), ); }; return { notifications, pushNotification, removeNotification }; }