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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

Summary

In this chapter, you looked at a technique called decorating that is natively supported in TypeScript. The chapter first established the motivation for the use of decorators and then looked at the multiple types of decorators in TypeScript (class, method, accessor, property, and parameter decorators), along with examining the possibilities of each. You learned how to swap or change the complete constructor of a class with a class decorator, how to wrap a single method or property accessor with a method decorator, and how to enrich the available metadata using property and parameter decorators.

The chapter also discussed the differences between active and passive decorators, which boil down to a difference between code and definition. You implemented several common variants of each of the decorator types and demonstrated how different decorator types can nicely complement each other. This chapter should help you easily manage the usage and creation of decorators both...

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