Module:User:Od1n/If empty (simple Lua)

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local p = {}

function p.main(frame)
	local args = frame:getParent().args
	local mwTrim = mw.text.trim

	for k,v in ipairs(args) do
		v = mwTrim(v)
		if v ~= '' then
			return v
		end
	end

end

return p