fix(vite): skip qwikloader emitFile in serve mode

[SchahinRohani]

What is it?

• Bug

Description

When running Qwik with Vite in dev/serve mode, the plugin was calling emitFile() for the qwikloader, which leads to the following warning:

[plugin:vite-plugin-qwik] context method emitFile() is not supported in serve mode.
This plugin is likely not vite-compatible.

The same !devServer guard is already used in the transform hook to skip emitFile() during dev. This change applies the same pattern to buildStart, where the qwikloader chunk emission was missing the guard.

Checklist

• My code follows the developer guidelines of this project
• I performed a self-review of my own code
• I added a changeset with pnpm change
• I made corresponding changes to the Qwik docs
• I added new tests to cover the fix / functionality

[changeset-bot]

🦋 Changeset detected

Latest commit: f715fae

The changes in this PR will be included in the next version bump.

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Click here if you're a maintainer who wants to add another changeset to this PR

[wmertens]

[pkg-pr-new]

Open in StackBlitz

@qwik.dev/core

npm i https://pkg.pr.new/QwikDev/qwik/@qwik.dev/core@8512

@qwik.dev/router

npm i https://pkg.pr.new/QwikDev/qwik/@qwik.dev/router@8512

eslint-plugin-qwik

npm i https://pkg.pr.new/QwikDev/qwik/eslint-plugin-qwik@8512

create-qwik

npm i https://pkg.pr.new/QwikDev/qwik/create-qwik@8512

@qwik.dev/optimizer

npm i https://pkg.pr.new/QwikDev/qwik/@qwik.dev/optimizer@8512

commit: dabcbdf

[SchahinRohani]

Hey @wmertens, CI is failing on pnpm dedupe --check which seems pre-existing on build/v2. Let me know if there's anything I can do on my end, happy to rebase or help fix it.