Get a specific cookie, all cookies and set a cookie

cookies.js

class Cookies {
  
  static getCookie(name) {
    return document.cookie.split(";").map(cookie => {
        let [key, value] = cookie.split("=");
        if (name === key) return value;
    }).toString();
  }
  
  static getCookies() {
    let cookies = {};
    document.cookie.split(";").map(cookie => {
        let [key, value] = cookie.split("=");
        cookies[key.trim()] = value;
    });
    return cookies;
  }
  
  static setCookie(name, value) {
    document.cookie = `${name}=${value}`;
  }
  
}