Book Image

Hands-On Full Stack Web Development with Aurelia

By : Diego Argüelles Rojas, Erikson Murrugarra
Book Image

Hands-On Full Stack Web Development with Aurelia

By: Diego Argüelles Rojas, Erikson Murrugarra

Overview of this book

Hands-On Full Stack Web Development with Aurelia begins with a review of basic JavaScript concepts and the structure of an Aurelia application generated with the Aurelia-CLI tool. You will learn how to create interesting and intuitive application using the Aurelia-Materialize plugin, which implements the material design approach. Once you fully configure a FIFA World Cup 2018 app, you'll start creating the initial components through TDD practices and then develop backend services to process and store all the user data. This book lets you explore the NoSQL model and implement it using one of the most popular NoSQL databases, MongoDB, with some exciting libraries to make the experience effortless. You'll also be able to add some advanced behavior to your components, from managing the lifecycle properly to using dynamic binding, field validations, and the custom service layer. You will integrate your application with Google OAuth Service and learn best practices to secure your applications. Furthermore, you'll write UI Testing scripts to create high-quality Aurelia Apps and explore the most used tools to run end-to-end tests. In the concluding chapters, you'll be able to deploy your application to the Cloud and Docker containers. By the end of this book, you will have learned how to create rich applications using best practices and modern approaches.
Table of Contents (19 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Foreword
Contributors
Preface
Index

Dynamic value converters – Less code, more functionality


As we said at the beginning of this chapter, our application should be available for all the users worldwide. You are completely free to model the application according to your own purposes. Maybe you want to implement premium features that would need you to pay to access them, so you will need to express the cost in the user currency. Another good thing could be to have a custom formatted date, or simply add some number conversion, decimal rounds, and so on.

You already know how to bind and interpolate values between Aurelia View and ViewModel components. Now we will see how to improve that data binding. Come on!

The problem – Data is not exposed as we need

One of the common problems we could have is the date formatting. In other code languages such as Java, you have a utility class like SimpleDateFormat, which converts the Date() object to a more friendly human reading format. In JavaScript, we have some libraries to do that job, but...