/*
* Copyright (c) 2021-2026 ahriman team.
*
* This file is part of ahriman
* (see https://github.com/arcan1s/ahriman).
*
* 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 .
*/
import { type Dispatch, type SetStateAction, useCallback, useState } from "react";
export function useLocalStorage(key: string, initialValue: T): [T, Dispatch>] {
const [storedValue, setStoredValue] = useState(() => {
try {
const item = window.localStorage.getItem(key);
return item !== null ? (JSON.parse(item) as T) : initialValue;
} catch {
return initialValue;
}
});
const setValue: Dispatch> = useCallback(
value => {
setStoredValue(prev => {
const nextValue = value instanceof Function ? value(prev) : value;
window.localStorage.setItem(key, JSON.stringify(nextValue));
return nextValue;
});
},
[key],
);
return [storedValue, setValue];
}