Module:If in category/sandbox: Difference between revisions

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This module implements {{if in category}}

Usage

{{if in category | [category] | [result if true] | [result if false] | page = [page] }}

If |page= is omitted, the current page is used. If both the second and third unnamed parameters are omitted, the second unnamed parameter defaults to yes.

The above documentation is transcluded from Module:If in category/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this module.

local p = {}

function p.main(frame)
	local args = getArgs(frame)
	return p._main(args)
end

function p._main(args)
	-- create a title object
	local page = (args.page and mw.title.new(args.page)) or mw.title.getCurrentTitle()
	if require('Module:TableTools').inArray(page.categories, string.gsub( args[1], '^[Cc]ategory:', '' )) then
		if not args[3] then
			-- if we are are not given anything to return, return 'yes' if it evalulates to true
    		return args[2] or 'yes'
    	else 
    		return args[2]
		end
	else
		return args[3]
	end
end

return p