local moduleData = mw.loadData("Module:Wikidane/data")  local function loadArg(frame,id) 	local result = frame.args[id] 	if not result or (#result == 0) then 		result = frame:getParent().args[id] 		if not result or (#result == 0) then 			return nil 		end 	end   	return result end  local function getEntityData(frame) 	local qid = loadArg(frame, "id") 	local data = mw.wikibase.getEntityObject(qid) 	if not data then 		return 	end  	local f = frame.args[1] and frame or frame:getParent() 	local i = 1 	if f.args[1] == "bestclaims" then 		local pid = f.args[2] 		if not pid then 			return f, {}, 2 		end 		 		local sd = require("Module:Wikidane/select") 		local _, qid, prop = sd.selectProperty(pid, sd.prepareFilters(frame), qid) 		if not qid then 			return nil 		end 		 		data = prop 		i = 3 	end  	return f, data, i end  return {  	T = function(frame) 		local qid = loadArg(frame, "id") 		local pid = loadArg(frame, 1) 		if not pid then 			return moduleData.errorMissingPropertyId 		end 		 		local sd = require("Module:Wikidane/select") 		local pid, qid, prop = sd.selectProperty(pid, sd.prepareFilters(frame), qid) 		if qid then 			return #prop 		end 	end, 	 	P = function(frame) 		local qid = loadArg(frame, "id") 		local pid = loadArg(frame, 1) 		if not pid then 			return moduleData.errorMissingPropertyId 		end 		 		local sd = require("Module:Wikidane/select") 		local pid, qid, prop = sd.selectProperty(pid, sd.prepareFilters(frame), qid, tonumber(loadArg(frame, "ile"))) 		if qid then 			return require("Moduł:Wikidane/format").run(frame, pid, prop) 		end 	end, 	 	etykieta = function(frame) 		local qid = loadArg(frame, "id") 		local entity = mw.wikibase.getEntityObject(qid) 		if entity then 			local i = 1 			local lang = true 			while lang do 				lang = frame.args[i] 				local result = entity:getLabel(lang) 				if result and (#result > 0) then 					return result 				end 				 				i = i + 1 			end 		end 	 		return mw.title.getCurrentTitle().text .. moduleData.itemWithoutLabelCat 	end,  	id = function(frame) 		local title = loadArg(frame, 1) 		return title 			and mw.wikibase.getEntityIdForTitle(title) 			or mw.wikibase.getEntityIdForCurrentPage() 	end, 	 	label = function(frame) 		local id = loadArg(frame, 1) 		if id and string.match(id, "^[PQ]%d+$") then 			return mw.wikibase.label(id) 		end 	end, 	 	page = function(frame) 		local id = loadArg(frame, 1) 		if id then 			return mw.wikibase.sitelink(id) 		else 			return nil 		end 	end,  	V = function(frame) 		local f, data, i = getEntityData(frame) 		if not data then 			return nil 		end  		while true do 			local index = f.args[i] 			if not index then 				return tostring(data) 			end  			data = data[index] or data[tonumber(index)] 			if not data then 				return 			end  			i = i + 1 		end 	end,  	Dump = function(frame) 		local f, data, i = getEntityData(frame) 		if not data then 			return moduleData.warnDump 		end  		while true do 			local index = f.args[i] 			if not index then 				return "<pre>"..mw.dumpObject(data).."</pre>"..moduleData.warnDump 			end  			data = data[index] or data[tonumber(index)] 			if not data then 				return moduleData.warnDump 			end  			i = i + 1 		end 	end, }