Vue-tsc errors after updating to Typescript v5.5.2 about language-tools

[davidmatter]

Confirmed, there is an issue with vue-tsc when upgrading to [email protected]. Same happens when you install 5.5.2 and use the workspace's typescript version rather than the one from vscode:

Issues

• Typedefs of certain components won't be written (haven't figured out the underlying reason yet)
• Syntax highlight is broken (imported components are marked as unrecognized)

Steps to reproduce

• pnpm create vite@latest
• pnpm update
• Point TS version to workspace
• Create files and restart LSP:

App.vue

<template>
    <HelloWorld msg="asdf" />
</template>

<script setup lang="ts">
import HelloWorld from './HelloWorld.vue'
</script>

HelloWorld.vue

<script setup lang="ts" >
defineProps<{ msg: string }>()
</script>

<template>
  <div></div>
</template>

Workaround

Make sure to pin your typescript dependency to ~5.4.0 and to use the typescript version shipped with vscode.

[romanhrynevych]

UPD: yeah, when change VS Code version of typescript to workspace v5.5.2, error shows in editor too

Maybe this is somehow related to: microsoft/TypeScript#58960

[so1ve]

True, please pin typescript to v5.4 for now