var AuthenticationClient = require('authentication4js').Authentication;
 
var authenticationClient = new AuthenticationClient({
  XMLHttpRequest: window.XMLHttpRequest
});
 
// Authenticate with Wix instance
authenticationClient.wix({
  instance: 'some-wix-instance',
  appKey: 'some-wix-app-key'
}).then(function(loginResponse) {
  console.log(loginResponse.user);
  console.log(loginResponse.accessToken);
});
 
// Authenticate with Google
authenticationClient.google({
  clientId: 'some-client-id',
  idToken: 'some-id-token'
}).then(function(loginResponse) {
  console.log(loginResponse.user);
  console.log(loginResponse.accessToken);
});