export default (name: string, url = window.location.href) => {
  // eslint-disable-next-line no-useless-escape
  name = name.replace(/[\[\]]/g, '\\$&');
  const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)');
  const results = regex.exec(url);

  if (!results) return null;

  if (!results[2]) return '';

  return decodeURIComponent(results[2].replace(/\+/g, ' '));
};