Module:Format

Module for common formatting functions

---

local p = {}

-- Each second, fourth and so on value are considered a weight and transformed into a percent
function p.weighted_list(frame)
  local pframe = frame:getParent()
  local pargs = nil
  if pframe ~= nil then
    pargs = pframe.args
  else
    return ''
  end
  if pargs == nil then
    return ''
  end
  local result = ''
  local sum = 0
  for i,arg in ipairs(pargs) do
    if i % 2 == 0 then
       sum = sum + tonumber(arg)
    end
  end
  for i,arg in ipairs(pargs) do
    if i % 2 == 0 then
      result = result .. string.format("%.3g%%", tonumber(arg) / sum * 100)
    else
      result = result .. arg
    end
  end
  return result
end

return p