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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
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2. Declaration Files
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5. Interfaces and Inheritance
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6. Advanced Types
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8. Dependency Injection in TypeScript
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9. Generics and Conditional Types
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11. Higher-Order Functions and Callbacks
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Import, Export, and Require

Very small programs, such as the kind often found in books on programming, can work just fine with all the code in a single file. Most of the time, applications will be made up of multiple files, often referred to as modules. Some modules may be dependencies installed from Node Package Manager (npm) and some may be modules you or your team have written. When you look at other projects, you may see the keywords import, export, module, and require used to link different modules together. import and require both serve the same purpose. They allow you to use another module in the module (file) you are currently working in. export and module are the opposite. They allow you to make part or all of your module available for other modules to use.

We'll go over the different syntax options here. The reason for multiple ways to do things has, as usual, to do with the way the languages and runtimes have evolved. Node.js is by far the most popular runtime for...

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