Book Image

MEAN Blueprints

By : Robert Onodi
Book Image

MEAN Blueprints

By: Robert Onodi

Overview of this book

The MEAN stack is a combination of the most popular web development frameworks available—MongoDB, Angular, Express, and Node.js used together to offer a powerful and comprehensive full stack web development solution. It is the modern day web dev alternative to the old LAMP stack. It works by allowing AngularJS to handle the front end, and selecting Mongo, Express, and Node to handle the back-end development, which makes increasing sense to forward-thinking web developers. The MEAN stack is great if you want to prototype complex web applications. This book will enable you to build a better foundation for your AngularJS apps. Each chapter covers a complete, single, advanced end-to-end project. You’ll learn how to build complex real-life applications with the MEAN stack and few more advanced projects. You will become familiar with WebSockets and build real-time web applications, as well as create auto-destructing entities. Later, we will combine server-side rendering techniques with a single page application approach. You’ll build a fun project and see how to work with monetary data in Mongo. You will also find out how to a build real-time e-commerce application. By the end of this book, you will be a lot more confident in developing real-time, complex web applications using the MEAN stack.
Table of Contents (13 chapters)
MEAN Blueprints
About the Author
About the Reviewer

Tracking expenses

The main feature of our application is to track the user's expenses. A user should be able to insert expenses, be persisted in the system, and see the exact balance for his/her account.

There should always be a clear view of what is desired to be achieved. Let's take a high-level view of what we want to achieve:

  • A user should be able to persist an expense in the system

  • A user should be able to get all their expenses

  • A user should be able to get the balance of their expenses

  • A user should be able to define a category in which to save expenses, for example, groceries

Monetary values

In our case, an expense will store the exact value of money spent. In some cases, working with monetary data can get tricky. Often, applications that handle monetary data are required to work with fractional units of the currency.

We could store data in floating-point numbers. However, in JavaScript, floating-point arithmetic often does not conform to monetary arithmetic. In other words, values like...