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if ('localStorage' in window) {
  localStorage.setItem('theme', 'dark');
}

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const serializedData = JSON.stringify(myData);
localStorage.setItem('data', serializedData);

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let savedTheme;

if ('localStorage' in window) {
  savedTheme = localStorage.getItem('theme');
}

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const serializedData = localStorage.getItem('data');
const myData = JSON.parse(serializedData);

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import { storage } from 'std:kv-storage';

(async () => {
  await storage.set('mycat', 'Tom');
  console.assert((await storage.get('mycat')) === 'Tom');

  for await (const [key, value] of storage.entries()) {
    console.log(key, value);
  }

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/**
 * a === b is true if a and b have the same value, with the following exceptions:
 * - NaN === NaN is false
 * - 0 === -0 is true
 */
function strictEquals(a, b) {
  if (Object.is(a, NaN) && Object.is(b, NaN)) {
    return false;
  }

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const objectToUrlSafeBase64 = (obj) => {
  const stringifiedObject = JSON.stringify(obj);
  const base64String = btoa(stringifiedObject);

  return encodeURIComponent(base64String);
};

const urlSafeBase64ToObject = (urlSafeBase64String) => {
  const base64String = decodeURIComponent(urlSafeBase64String);
  const stringifiedObject = atob(base64String);

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import Cookie from "js-cookie";
import { useCallback, useEffect, useRef, useState } from "react";

const useCookieValue = (name) => {
  const cookieUpdaterId = useRef();

  const [currentCookie, setCurrentCookie] = useState(() => Cookie.get(name));

  const updateCookie = useCallback(() => {
    const cookie = Cookie.get(name);