Module:If empty: Difference between revisions

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(when frame args are relevant, they'll get picked up by Module:Arguments, and when they're not, that's just a waste of CPU cycles)
(properly handle blanks acting like empties (I'm not sure it's a good idea to do this at all, but if it is, this is how you should do it))
Line 2: Line 2:


function p.main(frame)
function p.main(frame)
for _,v in ipairs(require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})) do
local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})
for i = 1,9 do
if args[i] == nil then
args[i] = ''
end
end
for _,v in ipairs(args) do
if v ~= '' then
if v ~= '' then
return v
return v

Revision as of 16:23, 23 December 2014

Documentation for this module may be created at Module:If empty/doc 

local p = {}

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})
	for i = 1,9 do
		if args[i] == nil then
			args[i] = ''
		end
	end
	for _,v in ipairs(args) do
		if v ~= '' then
			return v
		end
	end
end

return p
Retrieved from "https://tep.wiki/wiki/Module:If_empty?oldid=7804"