What makes a .vue file a first-class TypeScript file. When the typecheck script reports an error, this is the extension that shows it in the template before you run it.
Vue (Official)
ExtensionSprout
The Vue language server — template type-checking, completion for props and events, go-to-definition across `<script setup>` — the same engine `vue-tsc` runs in the typecheck gate.
VS Code