useLocalStorage-implicit-return.js

import React from "react";

export default function useLocalStorage(key: string, initialValue: string = "") {
  const [item, setValue] = React.useState(() => {
    const value = localStorage.getItem(key) || initialValue;
    localStorage.setItem(key, value);
    return value;
  });

  const setItem = (item: string) => {
    setValue(item);
    window.localStorage.setItem(key, item);
  };

  return [item, setItem];
}