angular-cli/docs/documentation/stories/routing.md

Generating a route

The CLI supports routing in several ways:

• We include the @angular/router NPM package when creating or initializing a project.

• When you generate a module, you can use the --routing option like ng g module my-module --routing to create a separate file my-module-routing.module.ts to store the module routes.

  The file includes an empty Routes object that you can fill with routes to different components and/or modules.

• You can use the --routing option with ng new to create a app-routing.module.ts file when you create or initialize a project.