Decode JWT token

parseJwt.js

/**
 * Decode JWT token
 *
 * @param {string} token
 * @return {object}
 */
const parseJwt = (token) => {
  const base64Url = token.split('.')[1];
  const base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
  const jsonPayload = decodeURIComponent(
    atob(base64)
      .split('')
      .map(function (c) {
        return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
      })
      .join(''),
  );

  return JSON.parse(jsonPayload);
};

export default parseJwt;