Module:Is infobox in lead
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 | This Lua module is used on approximately 374,000 pages, or roughly 9395% of all pages. To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them. |
Module:Is infobox in lead checks if a given infobox is in the lead, is also the only infobox in the lead, and that there aren't two of that same infobox in the article. If that is the case, it returns true, and if not returns nothing.
Usage
{{#invoke:Is infobox in lead|main|[Ii]nfobox [Ff]oo [Bb]ar}}
It does not detect redirects which do not match the parameter. Redirects can be handled with an extra invocation per redirect pattern, e.g.:
{{#invoke:Is infobox in lead|main|[Ii]nfobox [Ss]ong}}{{#invoke:Is infobox in lead|main|[Ii]nfobox [Ss]ingle}}
Redirects can be found with WhatLinksHere.
local p = {}
function p.main (frame)
return p._main (frame.args[1])
end
function p._main (searchString)
local content = mw.title.getCurrentTitle():getContent()
local offset = string.find(content, "==", 1 , true)
if offset then
local lead = string.sub(content, 1, offset-1)
if (string.find(lead, searchString)) then
lead = lead
:gsub( "{{%s-[Ii]nfobox%s-mapframe", "") --don't check for infobox mapframe
:gsub( "{{%s-[Ii]nfobo[^}]-%|%s-embed%s-=%s-yes", "") --don't check for embeded infoboxes
:gsub( "{{%s-[Ii]nfobo[^}]-%|%s-child%s-=%s-yes", "") --don't check for child infoboxes
local iter = string.gmatch(lead, "{{%s-[Ii]nfobox")
iter()
if not iter() then --if able to find two infoboxes in the lead, then don't return true
local iter2 = string.gmatch(content, searchString)
iter2()
if not iter2() then --if able to find two of the specific infobox in the article, then don't return true
return true
end
end
end
end
end
return p