Install Dependencies

Install the following nodejs packages via the command line.

Auth0

The auth0 package will be used for authentication in your app.

npm install auth0-js --save

React router

The react-router package will be used for routing in your app.

npm install react-router@3.2.0 --save

JWT-decode

The jwt-decode package will be used for decoding JSON Web tokens in your app.

npm install jwt-decode --save

Axios

The axios package is a HTTP request client that will be used to make HTTP requests from the browser.

npm install axios --save

Success Note: The --save option simply persists the package definition in the package.json file.