Book Image

Angular for Enterprise-Ready Web Applications - Second Edition

By : Doguhan Uluca
Book Image

Angular for Enterprise-Ready Web Applications - Second Edition

By: Doguhan Uluca

Overview of this book

This second edition of Angular for Enterprise-Ready Web Applications is updated with in-depth coverage of the evergreen Angular platform. You’ll start by mastering Angular programming fundamentals. Using the Kanban method and GitHub tools, you’ll build great-looking apps with Angular Material and also leverage reactive programming patterns with RxJS, discover the flux pattern with NgRx, become familiar with automated testing, utilize continuous integration using CircleCI, and deploy your app to the cloud using Vercel Now and GCloud. You will then learn how to design and develop line-of-business apps using router-first architecture with observable data anchors, demonstrated through oft-used recipes like master/detail views, and data tables with pagination and forms. Next, you’ll discover robust authentication and authorization design demonstrated via integration with Firebase, API documentation using Swagger, and API implementation using the MEAN stack. Finally, you will learn about DevOps using Docker, build a highly available cloud infrastructure on AWS, capture user behavior with Google Analytics, and perform load testing. By the end of the book, you’ll be familiar with the entire gamut of modern web development and full-stack architecture, learning patterns and practices to be successful as an individual developer on the web or as a team in the enterprise.
Table of Contents (19 chapters)
15
Another Book You May Enjoy
16
Index

Feature modules with lazy loading

There are two ways resources are loaded: eagerly or lazily. When the browser loads up the index.html for your app, it starts processing it top to bottom. First the <head> element is processed, then the <body>. For example, the CSS resources we defined in the <head> of our app will be downloaded before our app is rendered, because our Angular app is defined as a <script> in the <body> of the HTML file.

When you use the command ng build, Angular leverages the webpack module bundler to combine all the JavaScript, HTML, and CSS into minified and optimized JavaScript bundles.

If you don't leverage lazy loading in Angular, the entire contents of your app will be eagerly loaded. The user won't see the first screen of your app until all screens are downloaded and loaded.

Lazy loading allows the Angular build process, working in tandem with webpack, to separate your web application into different JavaScript...