use-toggle@0.1.0 - programming-notes

use-toggle@0.1.0

useState()をtoggle用にwrapしたCustom Hook

code:script.js

import {useState, useCallback} from '../preact@10.5.13/hooks.js';

export function useToggle(value) {

const flag, setFlag = useState(value ?? false);

const toggle = useCallback(() => setFlag(flag => !flag), []);

return flag, toggle;

}