Cannot deploy a perseus app using beta.19

[Miroito]

This issue is reporting a bug in the code of Perseus. Details of the scope will be available in issue labels.
The author described their issue as follows:

Cannot deploy an app in the beta.19 due to missing item HSR_IGNORE on generic type S in functions of package perseus:

• get_frozen_global_state_and_register
• get_frozen_state_and_register

The steps to reproduce this issue are as follows:

I'm not sure whether my app has something special that makes the deployment fail. It might just fail trying to deploy any app.

A minimum reproducible example is available at <>.

• Hydration-related: false
• The author is willing to attempt a fix: true

Tribble internal data

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[Miroito]

I'm willing to open a PR for this, I want to make sure I have the right idea because I didn't spend enough time in the project to understand what this code does. Here's my idea:

The trait MakeRx looks like this (without the doc comments):

pub trait MakeRx {
    type Rx: MakeUnrx;
    #[cfg(debug_assertions)]
    const HSR_IGNORE: bool = false;
    fn make_rx(self) -> Self::Rx;
}

Meaning HSR_IGNORE is available on types that implement the MakeRx trait only on debug builds.

But the functions get_frozen_state_and_register and get_frozen_global_state_and_register both have this condition:

if *is_hsr && S::HSR_IGNORE {
    return Ok(None);
}

Which has no guard to not be compiled in non-debug builds.

I would propose to simply guard either the full condition, or split it in order to prevent the compiler from tying to find HSR_IGNORE on non-debug builds.
Or perhaps HSR_IGNORE should be defined on all builds and in this case we would just remove it from the trait definition.

Please let me know, I'm willing to open a PR if it is a simple change (again because of my light understanding of what is actually going on there) or feel free to fix it quickly.

PS; I'm surprised something like this would not be picked up while trying to build the library in release mode, I haven't tried though.

[arctic-hen7]

Oh I'm an idiot, thank you very much, you're absolutely right. PR would be great! (I'll also check up on the CLI tests, which should have caught this...)