Advanced TypeScript Programming Projects

The Server class

Again, continuing with the theme of reusing code as much as possible, we are going to use a slightly modified version of the Express Server class we wrote, way back in Chapter 4, The MEAN Stack – Building a Photo Gallery. Again, we will quickly go through the code to re-familiarize ourselves with it. First, let's put the class definition and constructor in place. Our constructor is a slimmed-down version of the constructor from Chapter 4, The MEAN Stack – Building a Photo Gallery:

export abstract class Server {  constructor(private port: number = 3000, private app: any = express(), protected routingEngine: RoutingEngine = new RoutingEngine()) {}  }}

We also want to add CORS support. While we could make this mandatory, I still ...