Since Nx 19.4, @nx/vite/plugin dosn't generate serve target even if there is an eplicit server target in the vite config

[beaussan]

Current Behavior

@nx/vite/plugin will only create serve target on a vite project when there is not a build.lib target, even if there is a serve config present in the vite.config.ts. This change was introduced by #26420

Expected Behavior

@nx/vite/plugin infers correctly that the project has a serve target, and thus create them on the graph

GitHub Repo

https://github.com/beaussan/repro-vite-lib-serve

Steps to Reproduce

1. Create a vite project via @nx/react:library for ex
2. Update vite.config.ts to add a serve target
3. The graph should contains the serve / serve static targets

Nx Report

NX   Report complete - copy this into the issue template

Node           : 20.11.1
OS             : darwin-arm64
Native Target  : aarch64-macos
yarn           : 1.22.21

nx                 : 19.5.7
@nx/js             : 19.5.7
@nx/jest           : 19.5.7
@nx/linter         : 19.5.7
@nx/eslint         : 19.5.7
@nx/workspace      : 19.5.7
@nx/devkit         : 19.5.7
@nx/eslint-plugin  : 19.5.7
@nx/react          : 19.5.7
@nrwl/tao          : 19.5.7
@nx/vite           : 19.5.7
@nx/web            : 19.5.7
typescript         : 5.5.4
---------------------------------------
Registered Plugins:
@nx/vite/plugin
@nx/eslint/plugin
@nx/jest/plugin

Done in 1.74s.

Failure Logs

No response

Package Manager Version

No response

Operating System

• macOS
• Linux
• Windows
• Other (Please specify)

Additional Information

I see two way to fix the issue:

• Detect when there is a serve config on a build library
• Add a flag to the generator options to force creating a serve target for every vite project

[github-actions]

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