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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

Introduction

The previous chapter got you started on promises in TypeScript. While promises improved our ability to write asynchronous code without the ugliness of nested callbacks, developers still wanted a better way to write asynchronous code. The promise syntax is sometimes challenging for programmers with a background in the C family of languages, and so the "syntactic sugar" of async/await was proposed to be added to the ECMAScript specification.

In this chapter, we'll learn about the introduction of new asynchronous programming paradigms to the ECMAScript standard, examine the syntax, and look at their use in TypeScript. We'll also cover the new (as of the time of writing) top-level await feature, which allows asynchronous programming outside of an async function. We will again look at error handling in asynchronous programming and examine the pros and cons of using async/await syntax versus promises.

Readers who have been through the prior chapter...

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