resume-client-socket.io/test/app/node_modules/axios-oauth-client/src/interceptor.js

Resume Client API for Socket.IO and Node.JS - Medical Speech to Summarized Text

function getMaxAge (res) {
  return res.expires_in * 1000;
}

function headerFormatter (res) {
  return 'Bearer ' + res.access_token;
}

module.exports = function (tokenProvider, authenticate) {
  const getToken = tokenProvider.tokenCache(authenticate, { getMaxAge });
  return tokenProvider({ getToken, headerFormatter });
};