Importing cloudflare:workers breaks the client bundle when it's imported on a dependency of a server function

[masylum]

Which project does this relate to?

Start

Describe the bug

Similar to this bug report, but it happens without middlewares.

Your Example Website or App

I don't have it

Steps to Reproduce the Bug or Issue

• I have a foo.functions.ts file that imports auth.ts
• I have an auth.ts file with import { env } from "cloudflare:workers"

It explodes trying to add cloudflare:workers into the client bundle.

If I move the import { env } from "cloudflare:workers" into foo.functions.ts file and pass it as a dependency (my current fix), then it works.

So it looks like the tree shacking or whatever mechanism is used to clean server functions for client bundles, only works at 1 level depth.

Expected behavior

Not to blow up

Screenshots or Videos

No response

Platform

@cloudflare/vite-plugin 1.32.2
@tanstack/react-router 1.168.10
@tanstack/react-start 1.167.16
vite 8.0.0

Additional context

No response

[schiller-manuel]

please provide a complete minimal example project as a git repo. make sure to use latest start and also configure import protection https://tanstack.com/start/latest/docs/framework/react/guide/import-protection