🐛 BUG: Compiler error

[theRealProHacker]

Describe the Bug

I get the following error

The Astro compiler encountered an unknown error while parsing this file's AST. Please create an issue with your code and the error shown in the server's logs: https://github.com/withastro/language-tools/issues

with the following code

export function _() {
  return
}
---

I am aware that this is incorrect code. It is missing the first three dashes ---

Steps to Reproduce

1. Create an astro file with the content mentioned above
2. Hover over it

Link to Minimal Reproducible Example

See bug description