asbox Stubtree

local i = {}  function i.exists(pagename)     local t = mw.title.new(pagename, "Template")     return t.exists end  function i.pcase(word)    return mw.ustring.upper(mw.ustring.sub(word,1,1)) .. mw.ustring.sub(word,2) end  function i._subtree(pagename)     local finalresult     local out = {"",pagename}     local tt     local temppage     local temppageexists     local r = 0     local t = {}     local removeditem1 = ""     local removeditem2 = ""          -- split items on dash into table     for token in mw.ustring.gmatch(pagename, "[^-]+") do         -- don't add numbered items to list         if tonumber(mw.ustring.sub(token,1,1)) == nil then             table.insert(t,token)         else             r = 1         end     end     table.remove(t, #t)      while (#t > 1) do         if r == 1 then             r = 0         else             -- Remove 1st item from list             removeditem1 = t[1]             table.remove(t, 1)         end          temppage = table.concat(t, "-") .. "-stub"         temppageexists = i.exists(temppage)         if temppageexists == true then             table.insert(out,"[[Template:" .. temppage .. "|" .. i.pcase(temppage) .. "]]")         else             -- If template with first item does not exist, try removing last item             removeditem2 = t[#t]             table.remove(t, #t)             temppage = removeditem1 .. "-" .. table.concat(t, "-") .. "-stub"             if #t == 0 then                 temppage = removeditem1 .. "-stub"             end             temppageexists = i.exists(temppage)             if temppageexists == true then                 -- if exists then add first item back to list                 table.insert(t,1,removeditem1)                 table.insert(out,"[[Template:" .. temppage .. "|" .. i.pcase(temppage) .. "]]")             else                 -- if exists then add last item back to list                 table.insert(t,removeditem2)             end         end     end      finalresult = '
'     finalresult = finalresult .. 'Stub hierarchy'     finalresult = finalresult .. table.concat(out, "\n* ")     finalresult = finalresult .. '\n* [[Template:Stub|Stub]]'     finalresult = finalresult .. '\n
'  return finalresult end  function i.subtree(frame)  return i._subtree(frame.args["pagename"]) end  return i