Editing Module:Bankable items

local purge = require('Module:Purge')._purge
local pt = require('Module:Paramtest')
p = {}

function p.main(frame)
	local args = frame:getParent().args
	local bank = args[1] or mw.title.getCurrentTitle().text
	local cols = args["cols"]
	local col_width = args['colWidth']
	
	local use_cols = pt.has_content(cols) or pt.has_content(col_width)

	local askdata = mw.smw.ask{
		"[[Bank::"..bank.."]]",
		limit = 4000
	}
	
	if askdata == nil then
		return ":''No bankable items found. To force an update, click "
				..purge('dml-'..mw.uri.anchorEncode(bank), 'here', 'span')
				..".''"
	end

	data = {}
	for _,d in ipairs(askdata) do
		for _,v in ipairs(d) do
			table.insert(data, v)
		end
	end
	
	mw.logObject(data)
	
	ret = mw.html.create('ul')

	for _,value in ipairs(data) do
		ret:tag('li'):wikitext(value)
	end
	if use_cols then
		ret:css({
			['column-count'] = cols,
			['column-width'] = col_width or '200px'
		})
	end
	
	mw.log(ret)
	
	return(ret)
	
end

return p