Patrick Desjardins - TypeScript 3.0 Quick Start Guide : The easiest way to learn TypeScript

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Patrick Desjardins has been working as a senior software developer for Netflix since 2017 and also is a senior software developer at Microsoft, working on MSDN, VSTS, and Teams. He was Microsoft's Most Valuable Professional (MVP) in ASP.NET for the years of 2013 and 2014. His area of interest is web development, which he has embraced since the early 2000s.

Patrick is a huge fan of Microsoft technologies, such as .NET, which he has developed with professionally since 2004. By contrast, in 2002 he started to develop many projects in PHP, which provides him multiple perspectives on how the web can be developed.

Patrick owns many open source projects and has written several books recently.

Alejandro Lora Gomez is a software developer residing in Seville, Spain. He is an instructor at Udemy, where he teaches his best-selling courses on Android and Kotlin to over 30,000 students. Alejandro has a keen interest in web development with Angular and TypeScript, and has been working with Angular for several years in multiple contexts (consulting, start-ups, and contracting) and countries (Spain, Ireland, and France), which has added professional value and experience to his career.

Alejandro is also an organizer of the GDG Seville, where he organizes meetups about Angular, TypeScript, and NestJS. He is currently working remotely for a multinational corporation based in USA as an Angular developer.

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This quick start guide is a book that covers every topic related to TypeScript. This book takes the reader through all the features and benefits of using TypeScript. With this guide, you will grow your typing skills, which will make your JavaScript knowledge in play. TypeScript is a superset of JavaScript. This book does not teach you how to do web programming but illustrates how to use TypeScript on top of a language that you already know and like.

This book is for developers who know JavaScript but have never touched Typescript.

, Getting Started with TypeScript, covers how to bring TypeScript into a new project or an existing JavaScript project. We will see how to set up your environment in your current build setup. TypeScript is supported by a variety of build tools, such as Grunt, Gulp, Webpack, or simply using the CLI. We also dive into the essential options, among all the ones that are available, to help you get started with TypeScript.

, Onboarding Types with Primitive, illustrates scoping a variable, the subtlety between undefined variables and null variables, and how to make a variable optional or required. At the end of this chapter, the reader will be in a situation where all the variables will be declared properly with an type that's accurate supported by TypeScript. The distinction between a primitive and non-primitive type will not be a conundrum anymore. The use of enum or symbol will be natural, and the creation of new types will become a habit any time a new domain object is introduced in your system.