This is a simple application to check the predicted arrival times of trains at stations on the London Underground network. It is built using React and the TrackerNet API from TfL. The application is being built in conjunction with my series "Building robust web apps with React":

1. In-browser prototype (Download source code)
2. Optimising for the browser (Download source code)
3. Testing with Jasmine (Download source code)
4. Server-side rendering (Download source code)

• Node.js and NPM

1. Clone or download this repository
2. Install dependencies with npm install
3. Copy the example config and enter your API credentials cp config.example.json config.json
4. Run npm start or node server.js
5. Open your browser and navigate to http://localhost:8080

You can test the demo in the your browser now.