Injecting Preamble not possible when using renderToPipeableStream.

[C5H8NNaO4]

Describe the bug

I am trying to use SSR with Vite and React.

I have to use renderToPipeableStream because I'm using code splitting and Suspense which is not compatible with renderToString.

It's not possible to use transformIndexHtml together with renderToPipeableStream.

How can I inject the preamble by other means or disable it?

Reproduction

https://github.com/C5H8NNaO4/vite-ssr-stream-repro

Steps to reproduce

git clone https://github.com/C5H8NNaO4/vite-ssr-stream-repro
cd vite-ssr-stream-repro
yarn
yarn dev

System Info

Windows 11, Node v18

Used Package Manager

yarn

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[hi-ogawa]

FYI, create-vite-extra repo recently added streaming example:

• Add ssr-react-streaming templates bluwy/create-vite-extra#54

This one still uses index.html to setup bootstrap scripts and it doesn't do React 19 style full document rendering though.