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An Introduction to Modules


This module looks at how to use Modules in TypeScript, as well as how to import, export, and create and bundle modules.

Learning Objectives

The objectives of this module are to provide you with an understanding of:

  • How to export from Modules
  • How to import from Modules
  • How to create and bundle Modules

Intended Audience

This learning path is aimed at all who wish to learn how to use TypeScript.


It is essential you understand the face of contemporary web development to attend this course. You should have a good working knowledge of Javascript. Please note: Before attending this class delegates must have a Microsoft account (signing up one is free).


We welcome all feedback and suggestions - please contact us at to let us know what you think.


Working with modules in TypeScript is not really a TypeScript thing, since ES2015 and iterations since have improved the use of discrete modules in JavaScript. We're not gonna dwell on it too long here, but it's worth mentioning a few key points in case you're not familiar with the syntax. We'll start with a bit of history.

In early versions of TypeScript, there was a concept of internal and external modules, and as we've already said, ES2015 introduced native modules to JavaScript, So TypeScript adapted its terminology to match. Internal modules are now called namespaces.

This is a TypeScript specific way to organize code, and it has its origins in "csharp." This is an advanced topic, so I suggest that you look at the TypeScript documentation if you're interested in finding out more about them.

External modules are simply called modules, and follow the same pattern as JavaScript modules.



About the Author

Learning paths5

An outstanding trainer in software development with more than 15 years experience as a Corporate and Apprentice Trainer, ICT Teacher and Head of Department, with a passion for technology and its uses. Continuing to develop existing and new skills and courses, primarily in web design using PHP, JavaScript, HTML, CSS and SQL but also OOP (Java), programming foundations (Using Python), DevOps (Git, CI/CD, etc) and Agile/Scrum. Practically minded, a quick learner and a problem solver with an attention to detail to ensure high quality outcomes.