firka-extension/tools/cookieManager.js

const cookieManager = {
  get(name) {
    const cookieName = `${name}=`;
    const decodedCookie = decodeURIComponent(document.cookie);
    const cookieArray = decodedCookie.split(";");

    for (let i = 0; i < cookieArray.length; i++) {
      let cookie = cookieArray[i];
      while (cookie.charAt(0) === " ") {
        cookie = cookie.substring(1);
      }
      if (cookie.indexOf(cookieName) === 0) {
        return cookie.substring(cookieName.length, cookie.length);
      }
    }
    return null;
  },

  set(name, value, days = 365) {
    const date = new Date();
    date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
    const expires = `expires=${date.toUTCString()}`;
    document.cookie = `${name}=${value}; ${expires}; path=/; domain=.e-kreta.hu`;
  },
};