Although we already have an Angular application running, we can do much better! We didn't use any package manager or module loader. We spent all of Chapter 3, TypeScript Crash Course, talking about TypeScript; however, we didn't write a single line of it in the preceding application. Although it is not required that you use TypeScript with Angular, it's more convenient to take advantage of all the bonuses that static typing provides. By using TypeScript, we can also use the Ahead-of-Time compilation in Angular.
The core team of Angular developed a brand new CLI tool for Angular, which allows us to bootstrap our applications with a few commands. Although we will introduce it in the final chapter, by then, in order to boost our learning experience, we will use the code located at https://github.com/mgechev/getting-started-with-angular. This repository includes all the examples in this book, in one big application. It has all the required dependencies...