Module:If empty

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This module supports Template:If empty. See here for test cases.

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local p = {}

function p.main(frame)
	for _,v in ipairs(frame.args) do
		if v ~= '' then 
			return v
		end
	end
	for _,v in ipairs(require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})) do
		if v ~= '' then
			return v
		end
	end
end

return p