Side effect to blazor.server.js when run with WPE/COG browser on Raspberry Pi 4 about fluentui-blazor HOT 15 CLOSED

Hi,

No, we do not replace the original blazor.server.js file. We hook into the Blazor startup events to inject scripts and styles. I'm assuming that is were things go wrong.

You say it works correctly when commenting out the Fluent packages, etc. But is Blazor still doing anything then?

As you can imagine, we do not have any testing capabilities lined up and ready to roll on a Pi with Bookworm, nor de we have capacity to set up something like that. Not really sure how we can help you with this.

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You say it works correctly when commenting out the Fluent packages, etc. But is Blazor still doing anything then?

Yes, Blazor works correctly in both cases. I can confirm that by checking with my PC's Chrome browser.

As you can imagine, we do not have any testing capabilities lined up and ready to roll on a Pi with Bookworm, nor de we have capacity to set up something like that. Not really sure how we can help you with this.

I understand. Well, I am not sure if this can be replicated on a Linux machine.
Thanks anyway...

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Yes, Blazor works correctly in both cases. I can confirm that by checking with my PC's Chrome browser.

How did you check? By connecting to the site on the PI?

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How did you check? By connecting to the site on the PI?

Exactly

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The funny thing is that even when we don't use any components from FluentUI (all commented out) and just leave the NuGet package active in the project file, it creates the same issue.

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Like I said, we hook into the Blazor startup sequence. Just having the DLL in the bin folder is enough

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@melihercan

Out of curiosity, have you tried using another browser?

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@melihercan

Out of curiosity, have you tried using another browser?

I'm sorry for not getting back to you sooner. As I mentioned above, I have tried Chrome on my PC (Windows) and the default browser of the desktop PRi OS which is Firefox I guess.

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@melihercan
Out of curiosity, have you tried using another browser?

I'm sorry for not getting back to you sooner. As I mentioned above, I have tried Chrome on my PC (Windows) and the default browser of the desktop PRi OS which is Firefox I guess.

Sorry, it's still unclear to me. From the description above, I assumed that you have .net 8 Blazor application running on a Raspberry Pi 4 that is server rendered. This application is being accessed by a browser on the same Pi via a localhost connection.

My first instinct is to eliminate the WPE/COG browser as a factor. Open a port on the Raspberry Pi and attempt to access the application from a PC or MAC with Chrome, Edge, Firefox, or Safari. From your last statement above, it appears that is what you did. Were these tests successful?

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Sorry, it's still unclear to me. From the description above, I assumed that you have .net 8 Blazor application running on a Raspberry Pi 4 that is server rendered. This application is being accessed by a browser on the same Pi via a localhost connection.

Correct

My first instinct is to eliminate the WPE/COG browser as a factor. Open a port on the Raspberry Pi and attempt to access the application from a PC or MAC with Chrome, Edge, Firefox, or Safari. From your last statement above, it appears that is what you did. Were these tests successful?

Yes, they were all successful. It is only the WPE/COG browser that is failing.

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Then it seams to be an issue in that browser and not necissarily in the library.

As it is a very hard issue to replicate (for us), I don't think we will be able to do anything with it in a short term.

I'm sorry we can't help with this but I don't think we need to keep this issue open. Agreed?

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Yes, I understand and agree. Thanks for your support anyway.

As a side note, the other two UI frameworks, AntDesign and Radzen work without any issues.

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As a side note, the other two UI frameworks, AntDesign and Radzen work without any issues.

Yes, but with those you probably have to add scripts and stylesheets manually to make them work. We do that for you and my guess is that is where the issue originates from.

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@melihercan

This issue has piqued my interest 😄. Your results confirmed my suspicion that the issue was likely due to some interaction in the WPE/COG browser.

If you have the time or interest, you could build the fluentui-blazor library locally. There is a server version of the demo site included. Attempt to connect to that from the WPE/COG browser from the Raspberry Pi. A quicker test would be to point the browser at www.fluentui-blazor.net but that is the web assembly version and is not be representative of your application.

The rationale for this additional test is to see if the issue is specifically due to fluentui-blazor working in the WPE/COG browser. If there is an issue, isolating the issue would be much easier.

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Sure, I will give it a shot when I find some time and provide feedback here.

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