Learn Angular: Build a Todo App

Chapter 3: Angular and RxJS: Adding a REST API Back End

by Maria Antonietta Perna

In the last chapter, we examined a more modular component architecture and learned how to break this single component into a structured tree of smaller components that are easier to understand, re-use and maintain.In this chapter, we’ll update our application to communicate with a REST API back end.

A Quick Recap

Here’s what our application architecture looked like at the end of Chapter 2:

Currently, the TodoDataService stores all data in memory. In this third article, we’ll update our application to communicate with a REST API back end instead.

We will:

• create ...