Describe the bug here

[321paranoiawhy]

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guide.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.

Describe the bug

Such code in vitepress:

```vue twoslash :line-numbers
<script setup lang="ts">
import {ref} from 'vue';

const message = ref('Hello world!');
</script>

code block line numbers would be from 1 to 2, rather than from 1 to 5, [see here](https://321paranoiawhy.github.io/knowledge-base/TODO#bug)

### Reproduction

````md ```vue twoslash :line-numbers <script setup lang="ts"> import {ref} from 'vue';  const message = ref('Hello world!'); </script> ``` ````

### Contributes

- [ ] I am willing to submit a PR to fix this issue
- [ ] I am willing to submit a PR with failing tests

[321paranoiawhy]

I have already open an issue in vitepress.

This is current behavior:

[antfu]

We temporarily closed this due to the lack of enough information. We could not identify whether it was a bug or a userland misconfiguration with the given info. Please provide a minimal reproduction to reopen the issue. Thanks.

Why reproduction is required