Vite cannot detect the components and responsive variables used by Pug when use VueTemplate

[Lfan-ke]

Describe the bug

Depends： npm install -D pug

File: App.vue

<script setup>
import {ref} from "vue";
const val1 = ref(233);
const val2 = ref(233);
import MyComp from "@/components/MyComp.vue";
</script>

<template lang="pug">
#tmp {{ val1 }}
  MyComp
</template>

<style scoped>
#tmp { --tmp: v-bind("val2") }
</style>

Will Be With Error on Build:

> kug@0.0.0 build
> vue-tsc -b && vite build
 error TS6133: 'val1' is declared but its value is never read.
 error TS6133: 'val2' is declared but its value is never read.
 error TS6133: 'MyComp ' is declared but its value is never read.
 Error: Process completed with exit code 2.

Reproduction

https://gitee.com/heke1228/vite-pug-bug.git

Steps to reproduce

npm run build

System Info

File:\WebProjects\kug git:[main]
npx envinfo --system --npmPackages '{vite,@vitejs/*,rollup}' --binaries --browsers
Need to install the following packages:
envinfo@7.14.0
Ok to proceed? (y) y


  System:
    OS: Windows 11 10.0.22621
    CPU: (12) x64 AMD Ryzen 5 5600H with Radeon Graphics         
    Memory: 2.24 GB / 15.86 GB
  Binaries:
    Node: 22.11.0 - C:\Program Files\nodejs\node.EXE
    npm: 10.9.0 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Edge: Chromium (131.0.2903.63)
    Internet Explorer: 11.0.22621.3527
  npmPackages:
    @vitejs/plugin-vue: ^5.2.1 => 5.2.1
    vite: ^6.0.3 => 6.0.5

Used Package Manager

npm

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. For example, if it's a Vue SFC related bug, it should likely be reported to vuejs/core instead.
• 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.

[bluwy]

The error is from vue-tsc not vite. I think you can report there instead.

[Lfan-ke]

thanks

…

---Original--- From: "Bjorn ***@***.***> Date: Mon, Dec 30, 2024 09:14 AM To: ***@***.***>; Cc: ***@***.******@***.***>; Subject: Re: [vitejs/vite] Vite cannot detect the components and responsivevariables used by Pug when use VueTemplate (Issue #19088) The error is from vue-tsc not vite. I think you can report there instead. — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***>