Files
notesnook/apps/web/src/hooks/use-session-state.ts
2023-01-16 13:48:28 +05:00

39 lines
1.2 KiB
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";
// eslint-disable-next-line no-var
var memory: Record<string, unknown> = {};
export function useSessionState<T>(key: string, def: T) {
const [value, setValue] = useState(
memory[key] === undefined ? def : memory[key]
);
useEffect(() => {
memory[key] = value;
}, [key, value]);
return [
value as T,
setValue as React.Dispatch<React.SetStateAction<T>>
] as const;
}