Files
wr.do/hooks/use-local-storage.ts
2024-07-26 22:08:57 +08:00

27 lines
631 B
TypeScript

import { useEffect, useState } from "react";
const useLocalStorage = <T>(
key: string,
initialValue: T,
): [T, (value: T) => void] => {
const [storedValue, setStoredValue] = useState(initialValue);
useEffect(() => {
// Retrieve from localStorage
const item = window.localStorage.getItem(key);
if (item) {
setStoredValue(JSON.parse(item));
}
}, [key]);
const setValue = (value: T) => {
// Save state
setStoredValue(value);
// Save to localStorage
window.localStorage.setItem(key, JSON.stringify(value));
};
return [storedValue, setValue];
};
export default useLocalStorage;