Lexiconga/src_2.x/js/StackOverflow/cookie.js

// https://stackoverflow.com/questions/4825683/how-do-i-create-and-read-a-value-from-cookie/4825695#4825695

export function setCookie (name, value, days) {
  let expires;
  if (days) {
    const date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    expires = '; expires=' + date.toGMTString();
  }
  else {
    expires = '';
  }
  document.cookie = name + '=' + value + expires + '; path=/';
}

export function getCookie(c_name) {
  if (document.cookie.length > 0) {
    let c_start = document.cookie.indexOf(c_name + '=');
    if (c_start != -1) {
      c_start = c_start + c_name.length + 1;
      let c_end = document.cookie.indexOf(';', c_start);
      if (c_end == -1) {
        c_end = document.cookie.length;
      }
      return unescape(document.cookie.substring(c_start, c_end));
    }
  }
  return '';
}