DECK = Builder.new()

function config(x)
  for k,v in pairs(x) do
    DECK:config_set(k, v);
  end
end

function slide(x)
  local s = DECK:slide_start()

  for k, v in pairs(x) do
    if type(k) == "string" then
      DECK:slide_config(s, k, v)
    else
      local ntype, ncontent = v[1], v[2]

      local node_id = DECK:node_add(s, ntype, ncontent)
    end
  end
end

function t(content)
  return {NodeType.TEXT, content}
end

function h1(content)
  return {NodeType.H1, content}
end

function image(settings)
  return {NodeType.IMAGE, settings}
end

function ul(content)
  return {NodeType.UL, content}
end

function rgba(colors)
  return Color.new(colors[1], colors[2], colors[3], colors[4])
end