// Some quarto-specific definitions.

#show raw.where(block: true): block.with(
    fill: luma(230), 
    width: 100%, 
    inset: 8pt, 
    radius: 2pt
  )

#let block_with_new_content(old_block, new_content) = {
  let d = (:)
  let fields = old_block.fields()
  fields.remove("body")
  if fields.at("below", default: none) != none {
    // TODO: this is a hack because below is a "synthesized element"
    // according to the experts in the typst discord...
    fields.below = fields.below.amount
  }
  return block.with(..fields)(new_content)
}

#let empty(v) = {
  if type(v) == "string" {
    // two dollar signs here because we're technically inside
    // a Pandoc template :grimace:
    v.matches(regex("^\\s*$$")).at(0, default: none) != none
  } else if type(v) == "content" {
    if v.at("text", default: none) != none {
      return empty(v.text)
    }
    for child in v.at("children", default: ()) {
      if not empty(child) {
        return false
      }
    }
    return true
  }

}

// 2023-10-09: #fa-icon("fa-info") is not working, so we'll eval "#fa-info()" instead
#let callout(body: [], title: "Callout", background_color: rgb("#dddddd"), icon: none, icon_color: black) = {
  block(
    breakable: false, 
    fill: background_color, 
    stroke: (paint: icon_color, thickness: 0.5pt, cap: "round"), 
    width: 100%, 
    radius: 2pt,
    block(
      inset: 1pt,
      width: 100%, 
      below: 0pt, 
      block(
        fill: background_color, 
        width: 100%, 
        inset: 8pt)[#text(icon_color, weight: 900)[#icon] #title]) +
      block(
        inset: 1pt, 
        width: 100%, 
        block(fill: white, width: 100%, inset: 8pt, body)))
}
