From what I see, your extension is built using azure-devops-extension-sdk.

I would recommend switching to azure-devops-extension-api and react with Node Js. This API offers numerous advantages: it is far more intuitive in terms of structuring your extension, managing variables between components, and overall usability. Additionally, there are more examples and documentation available for implementing extensions with this approach.

Here's a repository where I found a lot of useful ideas: [repo link]. It contains several examples that you might find helpful.

If you have any questions about this method, I could help you further