local p = {}
--Returns the target of {{Category redirect}}, if it exists, else returns the original cat.
function rtarget( cat )
local catcontent = mw.title.new( cat or '', 'Category' ):getContent()
if string.match( catcontent or '', '{{ *[Cc]at' ) then --preliminary test
local regex = {
--the following 11 pages (7 condensed) redirect to [[Template:Category redirect]] (as of 6/2019):
'{{ *[Cc]ategory *[Rr]edirect', --most likely match 1st
'{{ *[Cc]at *redirect', --444+240 transclusions
'{{ *[Cc]at *redir', --8+3
'{{ *[Cc]ategory *move', --6
'{{ *[Cc]at *red', --6
'{{ *[Cc]atr', --4
'{{ *[Cc]at *move', --0
}
for _, v in pairs (regex) do
local rtarget = mw.ustring.match( catcontent, v..'%s*|%s*([^|}]+)' )
if rtarget then
rtarget = mw.ustring.gsub(rtarget, '^1%s*=%s*', '')
rtarget = string.gsub(rtarget, '^[Cc]ategory:', '')
return rtarget
end
end
end
return cat
end
function p.main( frame )
local args = frame:getParent().args
local cat = args[1]
if (cat == '') or (cat == nil) then
return ''
end
return rtarget( cat )
end
return p
