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Programming TypeScript: Making Your JavaScript Applications Scale 1st Edition

by Boris Cherny (Author)

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Any programmer working with a dynamically typed language will tell you how hard it is to scale to more lines of code and more engineers. That’s why Facebook, Google, and Microsoft invented gradual static type layers for their dynamically typed JavaScript and Python code. This practical book shows you how one such type layer, TypeScript, is unique among them: it makes programming fun with its powerful static type system.

If you’re a programmer with intermediate JavaScript experience, author Boris Cherny will teach you how to master the TypeScript language. You’ll understand how TypeScript can help you eliminate bugs in your code and enable you to scale your code across more engineers than you could before.

In this book, you’ll:

Start with the basics: Learn about TypeScript’s different types and type operators, including what they’re for and how they’re used
Explore advanced topics: Understand TypeScript’s sophisticated type system, including how to safely handle errors and build asynchronous programs
Dive in hands-on: Use TypeScript with your favorite frontend and backend frameworks, migrate your existing JavaScript project to TypeScript, and run your TypeScript application in production

ISBN-10

1492037656
ISBN-13

978-1492037651
Edition

1st
Publisher

O'Reilly Media
Publication date

May 23, 2019
Language

English
Dimensions

6.75 x 0.75 x 9 inches
Print length

322 pages
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O'Reilly's mission is to change the world by sharing the knowledge of innovators. For over 40 years, we've inspired companies and individuals to do new things (and do them better) by providing the skills and understanding that are necessary for success.

Our customers are hungry to build the innovations that propel the world forward. And we help them do just that.

From the Publisher

From the Preface

This is a book for programmers of all walks: professional JavaScript engineers, C# people, Java sympathizers, Python lovers, Ruby aficionados, Haskell nerds. Whatever language(s) you write in, so long as you have some experience programming and know the basics of functions, variables, classes, and errors, this book is for you. Some experience with JavaScript, including a basic knowledge of the Document Object Model (DOM) and the network, will help you along the way—while we don’t dive deep into these concepts, they are a wellspring of excellent examples, and if you’re not familiar with them the examples might not make as much sense.

Regardless of what programming languages you’ve used in the past, what unites all of us is our shared experience of tracking down exceptions, tracing through code line by line to figure out what went wrong and how we can fix it. This is the experience that TypeScript helps prevent by examining your code automatically and pointing out the mistakes you may have missed.

boris, typescript, javascript, applications

It’s OK if you haven’t worked with a statically typed language before. I’ll teach you about types and how to use them effectively to make your programs crash less, document your code better, and scale your applications across more users, engineers, and servers. I’ll try to avoid big words when I can, and explain ideas in a way that’s intuitive, memorable, and practical, using lots of examples along the way to help keep things concrete.

That’s the thing about TypeScript: unlike a lot of other typed languages, TypeScript is intensely practical. It invents completely new concepts so you can speak more concisely and precisely, letting you write applications in a way that’s fun, modern, and safe.

Editorial Reviews

About the Author

Boris Cherny is a Software Engineer at Facebook and the organizer of the San Francisco TypeScript Meetup. A longtime JavaScript programmer and functional programming evangelist Boris has started several startups, and led engineering teams in adtech and venture capital. In his free time, you can find him working on open source on Github.

Product details

Publisher ‏ : ‎ O'Reilly Media; 1st edition (May 23, 2019)
Language ‏ : ‎ English
Paperback ‏ : ‎ 322 pages
ISBN-10 ‏ : ‎ 1492037656
ISBN-13 ‏ : ‎ 978-1492037651
Item Weight ‏ : ‎ 2.31 pounds
Dimensions ‏ : ‎ 6.75 x 0.75 x 9 inches

Best Sellers Rank: #358,109 in Books (See Top 100 in Books)
- #85 in JavaScript Programming (Books)
- #93 in Web Services
- #424 in Software Development (Books)

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josh168

In-depth, thorough explanation

Reviewed in the United States on October 22, 2023

Verified Purchase

Prerequisites: You need to know JavaScript first.
If you want an advanced, thorough explanation of TypeScript, this book is a good choice.

Reviewed in the United States on September 8, 2022

Verified Purchase

I read this a long time ago as far as JS/TS time goes, but the mental models it established in my head still serve me well. It establishes the why and what of TypeScript, the problems it solves, and a more general concept of what types are in any language, not just specifically in JS/TS. (One example: Gradual typing and why you should stay away from `any`.)

While concepts are good to know, the book spends just enough time on them to lay the groundwork before getting into the details with examples that are immediately useful in your code. I definitely referred back to them when I started building real apps with TS.

In short, highly recommended, whether you're a new JS/TS dev or experienced. Don't let the small size fool you. You'll be able to put examples to use immediately, and the way of thinking about TS will serve you well even as the specific details of JS/TS/React/whatever never stop changing.

3 people found this helpful

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waldmka

Very good book received in good condition. Took 12 days to receive it.

Reviewed in the United States on October 5, 2022

Verified Purchase

Took 12 days to get the book and I have Amazon Prime. Ordered 9/19 and didn't receive until 9/30. The book was in good condition

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Flekstpor Drufan

I wish more tech books were like this

Reviewed in the United States on September 10, 2019

Verified Purchase

I really, really enjoyed this book. I came away feeling both knowledgeable and enthusiastic about TypeScript.

1. It's perfectly paced for the seasoned programmer who wants to learn TypeScript fast, without getting bogged down in basic programming concepts.
2. The explanations are clear. There were times when I had to read a section a couple of times to understand it, particularly around advanced concepts in the type system; but this was generally due to the material itself, not to the manner in which it was communicated.
3. It was very thorough. I came away feeling that I had all the language and ecosystem-related knowledge required to use TypeScript confidently in production.
4. It covered not only the language, but also the ecosystem. The build system for TypeScript projects is inherently more complicated than for many other languages. There are many knobs and levers that can be adjusted. This book provides very clear and helpful advice about how to configure your build based on the requirements of your project.
5. The author has an enthusiastic writing style which contains just the right amount of humour to keep things "bouncing along" without getting too dry. For some, perhaps the little jokes throughout might be too much, but I kind of appreciated it.
6. Lastly, but absolutely not least, the typesetting, layout and physical dimensions of the book were perfect for comfortable reading on the train, at home on the couch, wherever. Many technical books with solid content are let down by writing that's too small, margins that are too narrow, or simply by the book itself being too large to comfortably hold and read. I was very grateful for the sensible typesetting and dimensions of this book.

22 people found this helpful

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It is good and love it

Perfect

Reviewed in the United States on August 4, 2023

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It is good and love it

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Yoan Pacheco

Better code examples and explanations needed

Reviewed in the United States on May 27, 2023

Verified Purchase

I am not a new to programming but sometimes get lost with unnecessary deep and complex examples(functions,Record type, etc). Im sure that the author is a typescript expert, but clear examples and good teaching methods are also important. I had to google online to get proper explanation of concepts because some simple things are made unnecessarily complex in this book.

One person found this helpful

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KTR73

Great intro to Typescript

Reviewed in the United States on February 21, 2021

Verified Purchase

This is one of the best introductions to a programming language that I’ve come across in a while. The author had a very casual style, but it worked for me. He covered a lot of ground without a ton of words, which I found refreshing. I refer back to this book frequently and typescript has become one of my favorite languages because of this book. I would highly recommend.

4 people found this helpful

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Keith

Thorough

Reviewed in the United States on August 5, 2019

Verified Purchase

As someone who comes from a C# background, this book can easily be referenced and you can pick up TypeScript fairly quickly. So far, the only thing I disagree with the author is that types should always be declared rather than letting inference work it's magic. My reasoning is that declaring types may be a few extra keystrokes, but the code becomes more explicit to another developer. That's more subjective and isn't enough to dock a star.

5 people found this helpful

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Oswaldo M.

Bueno

Reviewed in Mexico on October 7, 2023

Verified Purchase

A mí hijo le gusto, que está muy bueno.

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DAMIAN VICINO

Great coverage of a not so obvious language to learn

Reviewed in Canada on July 9, 2022

Verified Purchase

I loved how book covered the topics, starting from the type system and all its little corner cases and how there is explanations of how the language had to get those corner cases to be able to actually exist.

One person found this helpful

J. Lázaro

Imprescindible.

Reviewed in Spain on July 23, 2023

Verified Purchase

Una grata aproximación a TypeScript; completo y accesible para aquellos que busquen profundizar en dicho contenido.

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Just Some Guy

A Great Book for SENIOR Software Engineers

Reviewed in the United Kingdom on April 28, 2022

Verified Purchase

This is a great book, but I wouldn't recommend it as your very first TypeScript (TS) book unless you’re already very senior with BOTH ES6 AND a strongly typed coding language (C#, Java, Swift, etc.).

If you're at that level, this book is perfect for you. The author methodically covers all the language features of TS from bottom to top, with a really dense signal-to-noise ratio on almost every page (the occasional slightly-too-long geek-humor aside notwithstanding).

IF you are NOT already senior in both ES6 and a typed language, I wouldn't start with this book. Why not? I say that because the author's writing style is very much targeted at those who already know all the vocabulary, and the usage/value/purpose, of most features he explains along the way. This is NOT a book that will teach you what these features are if you don’t already know. He gives plenty of really good code examples, but as those features get more advanced you may struggle if you don’t already have an understanding of the general meaning/purpose/value of those features. It's a book that assumes you know _a_few_ other typed languages already, and you just want to learn how to do the things you're already familiar with, using TypeScript.

While I _am_ very experienced with JS/ES6, and I _have_ worked with typed languages before, I'll admit I'm new to generic types (i.e. these guys… <T>, <T, U>, etc.). I learned from this book that these are central to TS, and that they're a super powerful abstraction feature. But honestly, I'm still super confused about how they work, how I'll properly use them, etc.

This book didn't quite get me there with “generics”, so I need to do some more reading (and hacking) to figure that all out. Since this is my first TS book, that's fine – but while generics are the only thing I had real trouble with, unless you're experienced with types in general there may a few other things that leave you confused after reading this book.

Final word: This is a GREAT BOOK - but it’s NOT for beginners. If you’re not a ninja already, learn ES6 and TS basics elsewhere first, then come to this book when you’re ready for that one permanent reference book to keep on your desk until TypeScript goes out of style.

2 people found this helpful

Valentino Gagliardi

Must have

Reviewed in Italy on August 27, 2020

Verified Purchase

Programming TypeScript is a complete guide to TypeScript, from the ground up to advanced patterns and usage. Highly suggested read for anyone wanting to refine their skills on the topic.

One person found this helpful

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