hugo.nim

# custom stuff for my slides

template nimibCodeAnimate*(lines: varargs[seq[HSlice[int, int]]], body: untyped) =
  ## Shows code and its output just like nbCode, but highlights different lines of the code in the order specified in `lines`.
  ## lines: Specify which lines to highlight and in which order. (Must be specified as a seq[HSlice])
  ## Ex: 
  ## ```nim
  ## animateCode(@[1..1], @[3..4, 6..6]): body
  ## ```
  ## This will first highlight line 1, then lines 3, 4 and 6.
  
  body
  nbRawHtml: "<hr/>"
  fragmentFadeIn:
    newNbCodeBlock("nimibCodeAnimate", body):
      var linesString: string
      if lines.len > 0:
        linesString &= "|"
      for lineBundle in lines:
        for line in lineBundle:
          linesString &= $line.a & "-" & $line.b & ","
        linesString &= "|"
      if lines.len > 0:
        linesString = linesString[0 .. ^3]
      nb.blk.context["highlightLines"] = linesString
  

template nimibCodeAnimate*(lines: varargs[HSlice[int, int], toHSlice], body: untyped) =
  ## Shows code and its output just like nbCode, but highlights different lines of the code in the order specified in `lines`.
  ## lines: Specify which lines to highlight and in which order. (Must be specified as a HSlice)
  ## Ex: 
  ## ```nim
  ## animateCode(1..1, 2..3, 5..5, 4..4): body
  ## ```
  ## This will first highlight line 1, then lines 2 and 3, then line 5 and last line 4.
  var s: seq[seq[HSlice[int, int]]]
  for line in lines:
    s.add @[line]
  nimibCodeAnimate(s):
    body