Accessing _quarto.yml metadata from R

[arnaudgallou]

Description

Is it possible to access metadata contained in a _quarto.yml file from R? I was hoping that rmarkdown::metadata would work but it seems it can only access metadata specified in .qmd files.

E.g. considering the following _quarto.yml:

project:
  type: manuscript

manuscript:
  article: index.qmd

title: test

And index.qmd

---
bibliography: refs.bib
---

```{r}
rmarkdown::metadata
```

Rendering index.qmd will only show:

$bibliography
[1] "refs.bib"

[cscheid]

Unfortunately it's not available yet. It's on our radar but we haven't found a design we're sufficiently happy with yet (the main constraint is that it needs to work across different engines.)