[BUG] Extreme CPU usage by Ant-Blazor Select-Component

[true-perfect-code]

Is there an existing issue for this?

• I have searched the existing issues

Did you read the "Reporting a bug" section on Contributing file?

• I have read the "Reporting a bug" section on Contributing file: https://github.com/CommunityToolkit/Maui/blob/main/CONTRIBUTING.md#reporting-a-bug

Current Behavior

Dear Community

I am not sure if this problem is caused by the Maui ToolKit Nuget or if the Ant component Select has a problem.

Expected Behavior

It is about the following:
When using the Ant-Blazor Select component in a Blazor Server or MAUI Blazor App, it works as expected. However, if you also install ".NET MAUI Community Toolkit" via Nuget in a MAUI Blazor app, the Ant-Blazor Select component hangs. You will notice an extreme CPU usage which could be due to a focus event (possibly via JS Interopt).

It is interesting that this effect is not apparent with an HTML Select component. I personally think it is an Ant-Select component problem, but I don't want to rule out that this problem could also be caused by the ToolKit library. The question is why this is only the case with Ant-Select and not with HTL Select?

And by HTML Select is no problem:

Steps To Reproduce

Start github Project and select an entry from Ant-Select list.

Link to public reproduction project repository

https://github.com/true-perfect-code/MauiAppAntToolKit

Environment

- .NET MAUI CommunityToolkit: 6.0.1
- OS: Windows 10
- .NET MAUI: MAUI Blazor, NET 8 , Visual Studio 2022 Version 17.9.6

EDIT:

This problem has also been reported to the Ant-Blazor community and can be found here:
ant-design-blazor/ant-design-blazor#3832

If you are using a faster PC, you will not notice this problem. I have described this behavior in the Ant community on GitHub (see link above under point 1).

However, the problem exists because the CPU load is extremely high for about 10-15 seconds! It would be nice to know the reason for this.

[GeorgeLeithead]

I have tried it with creating a new MAUI Blazor hybrid project, adding the AntDesign Blazor package (and following the Docs to for 'getting started'), and adding to the Home.razor page a copy from the documentation, the SimpleSelect component. It causes the CPU on my laptop to go really high and stay high for a while. This is WITHOUT any .net MAUI Community Toolkit package added!

As such, I do not think it can not be an issue with the .net MAUI Community Toolkit!

You can find My sample code here, for which I used to verify.

[bijington]

Amazing work @GeorgeLeithead thank you. I'll close this issue down