Module:Infobox body of water tracking

local p = {}

function p.tracking(frame) local function isblank( val ) return (val == nil) or val:match('^[%s]*$') end local function hasnoconvert( val ) local res = nil val = mw.text.killMarkers(val) if val:match('[0-9]') then res = 1 if val:match('[%(][−0-9%.]') and val:match('[%)]') then res = nil end end return res end local cats = '' local maincats = '' local args = frame:getParent.args local AZ = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' local warnmsg = {} if isblank(args['image']) then maincats = maincats .. ''   elseif isblank(args['alt']) then maincats = maincats .. ''   end if isblank(args['coords']) and isblank(args['coordinates']) then maincats = maincats .. ''   end if (isblank(args['pushpin_map']) ) then maincats = maincats .. ''   elseif isblank(args['pushpin_map_alt']) then maincats = maincats .. ''   end if (isblank(args['image_bathymetry']) ) then maincats = maincats .. ''   elseif isblank(args['alt_bathymetry']) then maincats = maincats .. ''   end local duplicate_parameters = 0 local duplicate_list = { {'child', 'embed'}, {'name', 'lake_name'}, {'image', 'image_lake'}, {'alt', 'alt_lake'}, {'caption', 'caption_lake'}, {'coordinates', 'coords'}, {'lake_type', 'type'}, {'ocean_type', 'type'}, {'lake_type', 'ocean_type'}, {'part_of', 'parent'}, {'basin_countries', 'countries'}, {'catchment_km2', 'catchment'}, {'length_km', 'length'}, {'width_km', 'width'}, {'area_km2', 'area'}, {'depth_m', 'depth'}, {'max-depth_m', 'max-depth'}, {'volume_km3', 'volume'}, {'shore_km', 'shore'}, {'elevation_m', 'elevation'}, {'settlements', 'cities'}, {'extra', 'nrhp'}, {'extra', 'embedded'}, {'embedded', 'nrhp'} }   for i, params in ipairs(duplicate_list) do    	if args[params[1]] and args[params[2]] then duplicate_parameters = duplicate_parameters + 1 table.insert(warnmsg, 'Cannot use  and   at the same time.') end end if (duplicate_parameters > 0) then cats = cats .. '[[Category:Pages using infobox body of water with ' ..       	'duplicate parameters|' ..         	string.sub(AZ, duplicate_parameters, duplicate_parameters+1) .. ']]' end local no_convert_parameters = 0 local dim_list = { 'catchment', 'length', 'width', 'area', 'depth', 'max-depth', 'volume', 'shore', 'elevation', 'temperature_low', 'temperature_high'} for i, param in ipairs(dim_list) do	  if hasnoconvert(args[param] or '') then no_convert_parameters = no_convert_parameters + 1 table.insert(warnmsg, 'Unconverted dimensions in ') end end if (no_convert_parameters > 0) then maincats = maincats .. '[[Category:Pages using infobox body of water with a non-automatically converted dimension|' ..       	string.sub(AZ,no_convert_parameters, no_convert_parameters+1) .. ']]' end if #warnmsg > 0 then cats = require('Module:If preview')._warning({   		table.concat(warnmsg, ' ') .. ' (Infobox body of water).'    	}) .. cats end

if maincats ~= '' and mw.title.getCurrentTitle.namespace == 0 then cats = cats .. maincats end return cats end return p