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  • Book Overview & Buying Clean Code with TypeScript
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Clean Code with TypeScript

Clean Code with TypeScript

By : Rukevwe Ojigbo, Dr. Sanjay Krishna Anbalagan
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Clean Code with TypeScript

Clean Code with TypeScript

By: Rukevwe Ojigbo, Dr. Sanjay Krishna Anbalagan

Overview of this book

Clean Code with TypeScript is a practical guide to writing maintainable, efficient, and elegant TypeScript code. It equips developers with the essential principles and techniques to produce code that is both functional and easy to read and maintain. Written by Rukevwe Ojigbo and Dr. Sanjay Krishna Anbalagan, expert software engineers with extensive experience in building scalable, high-performance applications across industries, this book reflects practical lessons from their real-world projects. Throughout the book, you’ll work through hands-on implementations, including an LLM integration project and a full-stack TypeScript application, ensuring the concepts are grounded, relevant, and applicable to real development environments. 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 you deliver cleaner, more robust code. *Email sign-up and proof of purchase required
Table of Contents (16 chapters)
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14
Other Books You May Enjoy
15
Index

Understanding function signatures

A function signature defines the structure and type information of a function, including its (inputs) parameters and return type. It serves as a blueprint for how a function should be defined and invoked. Here's what a function signature typically includes:

  • Parameter types: The types of parameters that the function expects to receive. These types define the data that can be passed to the function when it's called.
  • Return type: The type of value that the function is expected to return after execution. This specifies the data type of the value that the function will produce as output.
  • Exceptions: In some cases, a function may throw exceptions. The signature can indicate which exceptions might be thrown or passed back.

Let’s see the following simple example:

function calculateCircleArea(radius: number): number {
  return Math.PI * radius * radius;
}

In this example:

  • calculateArea is the function name
  • (radius: number) specifies a single...
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