Problem

Server functions using ByteStream with streaming output fail to compile in Dioxus v0.7.0-alpha.2. This worked fine in alpha.1.

Steps To Reproduce

Steps to reproduce the behavior:

Use a server function with streaming output:

use dioxus::prelude::server_fn::codec::{ByteStream, Streaming};
  use dioxus::prelude::*;

  #[server(output = Streaming)]
  pub async fn get_file_stream() -> Result<ByteStream, ServerFnError> {
      // ... implementation
  }

Expected behavior

Code should compile as it did in alpha.1.

Environment:

• Dioxus version: v0.7.0-alpha.2
• Rust version: 1.83.0
• OS info: Linux
• App platform: fullstack

Questionnaire

I'm interested in fixing this myself but don't know where to start. I think the issue is:
In alpha.2, Dioxus introduced its own ServerFnError type but ByteStream still expects the original server_fn::ServerFnError. The #[server] macro and ByteStream now use incompatible error types.

This breaking change happened in commit f610c6b (PR #4205) where:

• Alpha.1: dioxus::prelude::ServerFnError was server_fn::ServerFnError
• Alpha.2: dioxus::prelude::ServerFnError is now a new dioxus_fullstack::ServerFnError