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Modular Programming with JavaScript

You're reading from   Modular Programming with JavaScript Modularize your JavaScript code for better readability, greater maintainability, and enhanced testability

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781785880650
Length 274 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. What Are Modules and Their Advantages? FREE CHAPTER 2. Review of Important JavaScript OOP Concepts 3. Module Design Pattern 4. Designing Simple Modules 5. Module Augmentation 6. Cloning, Inheritance, and Submodules 7. Base, Sandbox, and Core Modules 8. Application Implementation – Putting It All Together 9. Modular Application Design and Testing 10. Enterprise Grade Modular Design, AMD, CommonJS, and ES6 Modules Index

Loose augmentation of modules


When we try to enhance a module using the augmentation technique previously discussed, we pass a reference of the module to another part of our code which is responsible for doing the augmentation work.

How can we add functionality to an object that has not been loaded or created yet?

The answer to this question becomes very important when our modules (files) are loaded in an asynchronous fashion, and we have no way of making sure that our original module is loaded before the augmentation code that enhances the module.

One of the beautiful and powerful aspects of JavaScript is its ability to add properties to objects dynamically, at any time during code execution. This allows us to add functionality or modify our original module's implementation even before the module is loaded, as long as we provide a temporary object in the absence of the module. This temporary object will be added to the original module after the module is loaded (or more accurately, it becomes...

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