Debugging TypeScript Code in VsCode with Vite
Learn how to effectively debug your TypeScript code in Visual Studio Code using Vite as your development server. Our step-by-step guide simplifies the process!
---
This video is based on the question https://stackoverflow.com/q/66147328/ asked by the user 'JLuis Estrada' ( https://stackoverflow.com/u/953247/ ) and on the answer https://stackoverflow.com/a/69338180/ provided by the user 'Harrys Kavan' ( https://stackoverflow.com/u/1117736/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.
Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Is there a way to debug code in VsCode initiated with Vite?
Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.
If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Debugging TypeScript Code in Visual Studio Code with Vite
In recent years, Vite has emerged as a popular build tool for modern web development, especially when working with frameworks like React and Vue. However, many developers often wonder how to efficiently debug their applications, particularly when using TypeScript in Visual Studio Code (VsCode). In this guide, we will explore how to attach the debugger to a Vite server in VsCode, allowing you to debug your TSX code seamlessly within the editor.
Understanding the Setup
Before we dive into the actual debugging process, let's briefly discuss our development setup:
Project Type: Node.js project configured to use TypeScript.
Development Server: Vite, initiated using npm scripts in VsCode.
The goal here is to ensure that we can attach the debugger to the running Vite server, which will enable us to set breakpoints, inspect variables, and step through our code directly within VsCode.
Step-by-Step Guide to Debugging
To enable debugging with Vite in VsCode, follow these organized steps:
1. Create the Debug Configuration
Navigate to the Debug panel in VsCode (you can find it on the left sidebar).
Click on the gear icon (⚙️) and select "Create launch.json" to create a new debug configuration.
2. Modify launch.json
Once you have generated the basic launch.json file, you'll need to adapt it to work with Vite. Here’s how:
Change the port: Vite runs on different ports depending on how you start it.
Use port 4000 if you’re using the Vite plugin for VsCode.
Use port 3000 if you run it via the console with commands like yarn dev, npm run dev, or vite.
Set the webRoot: This is crucial as it determines the root folder for your app. If your app's directory is named app, ensure that the webRoot is set correctly.
Here’s an example configuration for your launch.json file:
[[See Video to Reveal this Text or Code Snippet]]
3. Launch the Debugger
After setting up your launch.json, you’re ready to launch the debugger! Here’s what to do:
Start your Vite server by running the appropriate command (npm run dev, yarn dev, or vite).
Go back to the Debug panel in VsCode.
Select the configuration you just created (e.g., "Launch Chrome against localhost") and click the green play button to start debugging.
4. Set Breakpoints
Now that you have your debugger running, you can set breakpoints directly in your TypeScript files. This allows you to pause execution at specific lines of code, inspect containers, and understand the flow of your application better.
Conclusion
Debugging TypeScript code in Visual Studio Code with Vite is a straightforward process once you understand the steps involved. By creating a custom launch.json file and launching your Vite server correctly, you'll be able to debug your application efficiently.
If you follow this guide, you should feel confident about addressing debugging challenges in your projects. Happy coding and debugging!
On this page of the site you can watch the video online Debugging TypeScript Code in VsCode with Vite with a duration of hours minute second in good quality, which was uploaded by the user vlogize 03 April 2025, share the link with friends and acquaintances, this video has already been watched 360 times on youtube and it was liked by like viewers. Enjoy your viewing!
