Internal Error in Official Custom User Authentication

Anvil Q&A
1

Hi There!

What I’m trying to do:

I have an App that logs in the user and that is based on the official how to guide.
https://anvil.works/docs/how-to/custom-user-auth

It worked fine for the last months but since yesterdey I receive the follwoing error:
Uncaught SyntaxError: Identifier ‘originalPrompt’ has already been declared

What I’ve tried and what’s not working:

I tried to restore it to different versions but all of them show similar errors.

After some digging I tried to copy the app of the how to guide and saw the same error
https://anvil.works/build#clone:3HBGAFAGNJ6FUQZV%3D4NPQMV4R47BAOIHSXTVRLP5R

Also checked different devices, always the same Result:

image
image2023×1550 454 KB

Clone link (from the how to page):
https://anvil.works/build#clone:3HBGAFAGNJ6FUQZV%3D4NPQMV4R47BAOIHSXTVRLP5R

Since my apps depend on the loginflow and one of them is currently in live testing I’d apprecieate the help.

Greetings,

Mark

2

What is the prompt.js file here?

I suspect you are adding the prompt.js file a couple of times to the window
possibly as a custom component using script tags.

This file probably includes a line.
let originalPrompt =

But you can’t add this file multiple times with that line since you are redeclaring a variable using let which is disallowed in javascript.

The custom flow dependency doesn’t seem to be the problem here.

3

Hi @stucork,

can you reproduce the error on the clone link?

The reason I ask this is that this is the original clone link from this site:
https://anvil.works/docs/how-to/custom-user-auth

So I did not change anything from the clone example. Which means anyone that has or will use this guide runs in this error.

Ok I understand that adding it multiple times results in an error.
I will do some digging and circle back.

Greetings, Mark

4

After a private conversation the Chrome Widget “Selenium” triggered the error.

After deleting it all apps work fine again. :partying_face:

Just as a Side Note:
We are now using Katalon Screen recoder to automatically test certain parts of our UI logic.

Thanks for the outstanding support!

Greetings from Austria

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