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