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notesnook/apps/web/src/hooks/use-persistent-state.ts
2024-11-13 15:48:33 +05:00

34 lines
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TypeScript

/*
This file is part of the Notesnook project (https://notesnook.com/)
Copyright (C) 2023 Streetwriters (Private) Limited
This program 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 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { useEffect, useState } from "react";
import config from "../utils/config";
export function usePersistentState<T>(key: string | undefined, def: T) {
const defState = key ? config.get<T>(key, def) : def;
const [value, setValue] = useState(defState);
useEffect(() => {
if (!key) return;
config.set<T>(key, value);
}, [key, value]);
return [value, setValue] as const;
}