Technical requirements

To maximize your engagement with this chapter and actively participate in the hands-on exercises, ensure that you have the following technical requirements:

• A basic understanding of the JavaScript programming language.
• Node.js and npm: Node.js must be installed on your system to execute the TypeScript compiler (tsc). You can download and install Node.js from the official website: https://nodejs.org/en.
• A text editor or an integrated development environment (IDE) that supports TypeScript. We recommend using Visual Studio Code (VS Code), which is a free and open source code editor developed by Microsoft. You can download VS Code here: https://code.visualstudio.com/. You can also use CodeSandbox to experiment with TypeScript (https://codesandbox.io/s/vanilla-typescript-vanilla-ts).
• tsc: TypeScript is a superset of JavaScript that adds optional static typing. tsc converts TypeScript code into JavaScript code that can run in any JavaScript environment. You can install tsc using npm install –g typescript.
• Code repository: You can download the example project and code for this book by following the instructions in the Download the example code files section in the Preface of this book. This chapter's code files are included in the downloadable code bundle. To clone the repository using HTTPS, you would use the following command:

  $ git clone https://github.com/Rukeeo1/Clean-Code-in-TypeScript.git

With the technical prerequisites in place, you're now ready to dive into the core concepts of TypeScript. But before we begin, it's important to understand why TypeScript has become such a popular choice among developers. In the next section, we'll explore the key advantages of using TypeScript and how it enhances the development process.