How to debug TypeScript in Chrome

Updated on June 22, 2023, this article provides a comprehensive guide on debugging TypeScript mobile apps, including those developed with React Native and NativeScript. Debugging refers to the process of identifying and resolving software bugs, which are errors or unexpected behaviors in a program. Developers commonly use techniques such as writing outputs to the terminal or employing debugger tools to monitor source code execution. Chrome's DevTools offers robust debugging capabilities for JavaScript, including support for source maps, enabling developers to debug TypeScript by mapping its transpiled JavaScript version. The article explains how to set up Chrome DevTools for debugging TypeScript in client-side, server-side, and mobile applications, illustrating the process through manual and automatic configurations in various frameworks. It highlights the utility of integrating Visual Studio Code for a streamlined debugging experience and details methods for debugging TypeScript in Node.js, Deno, and cross-platform mobile apps using Chrome's remote debugging feature. The guide emphasizes the importance of source maps in debugging and offers insights into configuring environments for effective TypeScript debugging across different platforms.