@nitra/jwt-decode/src/browser.js

decode JWT

/**
 * JWT Decode
 *
 * @param {String} token token
 * @return {{}} decoded token
 */
function def(token) {
  if (!token) {
    return {}
  }
  try {
    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)
  } catch (error) {
    return {}
  }
}

export default def