Clean Code with Typescript: Elevate your TypeScript skills with clean code principles and production-ready practices

Rukevwe Ojigbo

Sanjay Krishna Anbalagan

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Paperback Mar 2026 396 pages 1st Edition

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Rukevwe Ojigbo

Sanjay Krishna Anbalagan

zł113.39 ~~zł161.99~~

Paperback Mar 2026 396 pages 1st Edition

eBook

zł129.99

Paperback

zł113.39 ~~zł161.99~~

zł113.39 ~~zł161.99~~

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Clean Code with Typescript

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In the ever-evolving world of web development, TypeScript has emerged as a powerful tool for creating robust, maintainable, and error-free code. In this chapter, we will explore the benefits of using TypeScript in modern web development and provide practical examples of how it can be used to enhance code quality, readability, and maintainability.We will begin by discussing the rationale for using TypeScript and identifying scenarios where it can be most effective. Next, we will provide a step-by-step guide to setting up a basic TypeScript project and installing TypeScript. We will then dive into the foundational types of TypeScript, including strings, numbers, and booleans, and provide practical examples of how they can be used in real-world scenarios. We will also explore more complex types, such as arrays and tuples, and discuss how they can be used to manipulate data in TypeScript.Additionally, we will cover...

Getting Started with TypeScript: Installation and Project Setup

Before delving into the intricacies of TypeScript, let's establish a solid foundation by installing the essential tools and configuring a basic project structure.We would start by installing the TypeScript compiler, tsc. This can be accomplished using the following command in your terminal (either the integrated terminal with VS Code or the default one that comes with your computer):

$ npm install -g typescript

This will install tsc globally, allowing you to access it from anywhere on your system.

Setting up a basic TypeScript project

Congrats, you just succeeded in installing typescript, now we can proceed with setting up our first Typescript project.To do that, follow these steps:

Start by creating a directory for your project. This will be the folder where all your project files will be stored. You can name it clean-code-with-typescript or choose a different name if you prefer. Here’s how to do this in...

Working with complex types

In the previous section, we discussed the basic types in TypeScript. In the realm of TypeScript, data representation extends beyond simple types such as strings and numbers. This section delves into objects, arrays, tuples, and enums, empowering you to structure and represent more complex data collections and enhance code readability.We will begin with objects.

Objects

Objects in TypeScript allow you to encapsulate related data and functionality into a single entity. You can define object properties and methods, providing a clear structure to your code. In the code snippet below, we have created a person object:

const person: { name: string; age: number; greet: () => void } = {
  name: "Alice",
  age: 30,
  greet() {
    console.log(
      `Hello, my name is ${this.name} and I'm ${this.age}     years old.`
    );
  },
};

We have specified the expected structure of our object (the expected type), let’s see what happens when I remove...

Mastering Advanced Types

In this section, you will delve deeper into TypeScript's advanced type system. You'll learn about powerful features such as union types, intersection types, generics, and conditional types. These advanced types enable you to create more flexible, dynamic, and adaptable type definitions in your TypeScript code. By mastering these concepts, you'll be equipped to handle complex scenarios and write more robust and maintainable code. Let’s begin.

Union Types: the power of "OR"

Union types allow you to define a type that can hold values of multiple types. This flexibility is particularly useful when a function or variable can accept different types of values. Imagine representing user input that could be a string or a number:

type Input = string | number;
function processInput(value: Input) {
  if (typeof value === "string") {
    console.log(value.toUpperCase());
  } else {
    console.log(value.toFixed(2), "number&quot...

Key benefits

Apply clean code to create maintainable, high-quality TypeScript applications.
Leverage TypeScript’s type system for expressive, self-documenting code.
Architect scalable systems that grow across teams and codebases.
Purchase of the print or Kindle book includes a free PDF eBook.

Description

Clean Code in TypeScript is a practical guide to writing maintainable, efficient, and elegant TypeScript code. It equips developers with the essential principles and techniques needed to produce code that is both functional and easy to read and maintain. Written by Rukevwe Ojigbo, an expert software engineer with extensive experience building scalable, high-performance applications across industries, this book reflects practical lessons from his real-world projects, ensuring that the content is grounded, relevant, and production-tested. What sets this book apart is its example-driven approach rooted in real-world scenarios. It goes beyond TypeScript best practices by developing your architectural thinking, enhancing team collaboration, and fostering long-term code quality. Whether you're new to TypeScript or an experienced developer, this guide will improve your TypeScript programming skills and help deliver cleaner, more robust code.

Who is this book for?

The book is for JavaScript developers who want to master TypeScript to build scalable and maintainable applications. Frontend, backend, and full-stack developers, as well as software architects looking to leverage TypeScript for robust application design, will find practical value in this book. A basic understanding of JavaScript, including ES6+ features, functions, and asynchronous programming is assumed. Although not required, familiarity with TypeScript fundamentals, OOP principles, and Git is helpful.

What you will learn

Master types, configuration, and foundational TypeScript concepts
Apply clean code principles for better readability and consistency
Implement classes, inheritance, and interfaces in TypeScript
Work with interfaces, generics, and advanced types for flexible code
Apply unit testing, integration testing, and test-driven development
Handle errors effectively and use debugging tools in TypeScript
Identify bottlenecks and apply performance optimization techniques
Build applications with TypeScript in Next.js, Node.js, and CI/CD workflows

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Clean Code with Typescript: Elevate your TypeScript skills with clean code principles and production-ready practices

What do you get with Print?

Clean Code with Typescript

Join our book community on Discord

Technical requirements

Why TypeScript?

Advantages of using TypeScript

Getting Started with TypeScript: Installation and Project Setup

Setting up a basic TypeScript project

Understanding Basic Types in TypeScript

What are basic types in TypeScript?

How to use basic types in TypeScript

Working with complex types

Objects

Mastering Advanced Types

Union Types: the power of "OR"

1 Introduction to TypeScript

Join our book community on Discord

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