21 lines
890 B
TypeScript
21 lines
890 B
TypeScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
|
|
|
import { useState, Dispatch, SetStateAction } from 'react';
|
|
import storage from './localStorage';
|
|
|
|
// eslint-disable-next-line max-len
|
|
export default function useLocalStorage<T>(key: string, defaultValue: T) : [T, Dispatch<SetStateAction<T>>] {
|
|
const [storedValue, setStoredValue] = useState<T>(storage.getItem(key, defaultValue));
|
|
|
|
const setValue = (value: T | ((prevState: T) => T)) => {
|
|
// Allow value to be a function so we have same API as useState
|
|
const valueToStore = value instanceof Function ? value(storedValue) : value;
|
|
setStoredValue(valueToStore);
|
|
storage.setItem(key, valueToStore);
|
|
};
|
|
|
|
return [storedValue, setValue];
|
|
}
|