import { useCallback, useState } from '../lib/teact/teact'; const useFlag = (initial = false): [boolean, AnyToVoidFunction, AnyToVoidFunction] => { const [value, setValue] = useState(initial); const setTrue = useCallback(() => { setValue(true); }, []); const setFalse = useCallback(() => { setValue(false); }, []); return [value, setTrue, setFalse]; }; export default useFlag;