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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

State Management in React

State is a bit of an overloaded term in the UI development world. Thus far, the state we've been referring to is a local state inside of a component. Going back to the clicks example, while that value could be passed to a child component via the usual means (as a prop), there's no easy way to pass the value to a parent component or some distant "cousin" component elsewhere in the DOM tree.

The management of global state is a problem much older than React. It's always been fairly simple to create some kind of widget that can internally manage its own data, but that widget gets extremely complicated when new requirements are introduced that connect the widget's data to other parts of an application. Often applications were written in an imperative fashion with hand-coded "events" to try to propagate data through some global scope. This approach can work, but bugs are common and managing change can be extremely difficult...

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