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The TypeScript Workshop

The TypeScript Workshop

By : Ben Grynhaus , Jordan Hudgens , Rayon Hunte , Matt Morgan , Wekoslav Stefanovski
4.7 (19)
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The TypeScript Workshop

The TypeScript Workshop

4.7 (19)
By: Ben Grynhaus , Jordan Hudgens , Rayon Hunte , Matt Morgan , Wekoslav Stefanovski

Overview of this book

By learning TypeScript, you can start writing cleaner, more readable code that’s easier to understand and less likely to contain bugs. What’s not to like? It’s certainly an appealing prospect, but learning a new language can be challenging, and it’s not always easy to know where to begin. This book is the perfect place to start. It provides the ideal platform for JavaScript programmers to practice writing eloquent, productive TypeScript code. Unlike many theory-heavy books, The TypeScript Workshop balances clear explanations with opportunities for hands-on practice. You’ll quickly be up and running building functional websites, without having to wade through pages and pages of history and dull, dry fluff. Guided exercises clearly demonstrate how key concepts are used in the real world, and each chapter is rounded off with an activity that challenges you to apply your new knowledge in the context of a realistic scenario. Whether you’re a hobbyist eager to get cracking on your next project, or a professional developer looking to unlock your next promotion, pick up a copy and make a start! Whatever your motivation, by the end of this book, you’ll have the confidence and understanding to make it happen with TypeScript.
Table of Contents (16 chapters)
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Preface

Type Aliases

Type Aliases allow you to declare references to any type – advanced or primitive. Aliases make our code easier to read by allowing us to be less verbose. Aliases allow you, the developer, to declare your type once and reuse it throughout your application. This makes working with complex types easier and your code more readable and maintainable.

Let's say, for example, we are working on a social networking application and we needed to provide an administrator user type for users to manage the pages they created. Additionally, we also need to define a site administrator user. On a base level, they are both admins, and therefore the types would have some commonality between them. With a type alias, we could create an admin type as shown in Figure 6.1, with common properties an admin user would possess and build upon that admin when creating our site admin and user admin types. Aliases allow you to mask the complexity of your code, which will make it easier...

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