const useToggler = (initialState) => {

const [value, setValue] = React.useState(initialState);

const toggleValue = React.useCallback(() => setValue((prev) => !prev), []);

return [value, toggleValue];

};

// Usage

const Switch = () => {

const [val, toggleVal] = useToggler(false);

return <button onClick={toggleVal}>{val ? "ON" : "OFF"}</button>;

};