CodeBlock: (block) ->
  fname = os.tmpname!
  with io.open fname, "w"
    \write block.text
    \close!

  cmd = "pygmentize -f html -O style=dracula,wrapcode,classprefix=py- -l %s %s"

  if block.classes[1] == "moon" or block.classes[1] == "moonscript"
    -- p = io.popen ("pygmentize -f html -O style=dracula,wrapcode,classprefix=py- -l moonscript.py %s -x")\format fname
    p = io.popen (cmd .. " -x")\format "moonscript.py", fname
    -- p = io.popen (cmd)\format "moonscript", fname

    -- p = io.open fname
    out = p\read"*a"
    p\close!
    pandoc.RawBlock "html", out
    -- pandoc.RawBlock "html", "moonscript"
  else
    if block.classes[1] == nil or block.classes[1] == "heex"
      -- pandoc.RawBlock "text", block.text
      -- require("moon").p [k for k,v in pairs block]

      -- tb = pandoc.RawBlock "html",
      if block.classes[1] == nil
        cb = pandoc.CodeBlock(block.text, class: "sourceCode")
        pandoc.Div cb, class: "sourceCode"
      else
        block
      -- pandoc.CodeBlock block.text, "text"
    else
      status, handle_or_error = pcall ->
        io.popen (cmd)\format block.classes[1], fname
      -- io.open fname

      sout = handle_or_error\read"*a"
    -- handle_or_error\close!
      if sout\len! == 0
        cb = pandoc.CodeBlock(block.text, class: "sourceCode")
        pandoc.Div cb, class: "sourceCode"
      else
        pandoc.RawBlock "html", sout
      -- if mat = sout\match('<div class="highlight"><pre>(.-)\n?</pre></div>')
      --   rep = '<div class="sourceCode"><pre class="sourceCode ' .. block.classes[1] .. '"><code class="sourceCode ' .. block.classes[1] .. '">' .. mat .. '</code></pre></div>'
      --   sout = sout\gsub('<div class="highlight"><pre>(.-)\n?</pre></div>', rep)
      -- pandoc.RawBlock "html", sout
      -- sout = if status then "true" else "false"
      -- pandoc.RawBlock "html", sout

    -- if mat = out\match('<div class="highlight"><pre>(.-)\n?</pre></div>')
    --   rep = '<div class="sourceCode"><pre class="sourceCode ' .. 'moonscript"><code class="sourceCode ' .. 'moonscript">' .. mat .. '</code></pre></div>'
    --   out = out\gsub('<div class="highlight"><pre>(.-)\n?</pre></div>', rep)

  -- p = io.open fname
  -- out = p\read"*a"
  -- p\close!
  -- pandoc.RawBlock "html", out