Module:Lighthouse tracking

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This modules produces the tracking categories for Template:Infobox lighthouse

The above documentation is transcluded from Module:Lighthouse tracking/doc. (edit | history)
Editors can experiment in this module's sandbox (create | mirror) and testcases (create) pages.
Subpages of this module.

local p = {}
function p.tracking(frame)
	local res = ''
	local isNRHP = false
	local hasNRHPbox = false
	local heritage = frame.args.heritage or ''
	if heritage == '' then
	elseif (heritage:match('National Register of Historic Places') or
		heritage:match('NRHP') ) then
		res = res .. '[[Category:Pages using infobox lighthouse with NRHP heritage]]'
		isNRHP = true
	end
	
	for k, v in pairs( frame:getParent().args ) do
		if k and k == 'module' then
			if v and v:match('<tr') then
				if v:match('National Register of Historic Places') or v:match('NRHP') 
					or v:match('U.S. Historic district') 
					or v:match('U.S. National Register of Historic Places') then
					hasNRHPbox = true
				end
			end
		end
	end
	if hasNRHPbox == false and isNRHP == true then
		res = res .. '[[Category:Pages using infobox lighthouse with NRHP heritage|‽]]'
	end
	if hasNRHPbox == true and isNRHP == false then
		res = res .. '[[Category:Pages using infobox lighthouse with NRHP heritage|¶]]'
	end
	return res
end
return p