Module:If empty - Revision history

Bmueller: 1 revision imported

2022-05-31T18:29:47Z

1 revision imported

Wikipedia>Dinoguy1000: update from sandbox, per Template talk:If empty#Backcompat

2022-05-06T04:38:40Z

update from sandbox, per Template talk:If empty#Backcompat

Bmueller: 1 revision imported

2022-04-21T09:39:01Z

1 revision imported

Wikipedia>Primefac: Changed protection settings for "Module:If empty": High-risk Lua module ([Edit=Require administrator access] (indefinite) [Move=Require administrator access] (indefinite))

2022-04-03T09:08:23Z

Changed protection settings for "Module:If empty": High-risk Lua module ([Edit=Require administrator access] (indefinite) [Move=Require administrator access] (indefinite))

Bmueller: 1 revision imported

2022-02-23T23:47:13Z

1 revision imported

Wikipedia>Jackmcbarn: actually, only the first 8 need this check

2014-12-23T21:56:09Z

actually, only the first 8 need this check

New page

local p = {}

function p.main(frame)
local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})

-- For backwards compatibility reasons, the first 8 parameters can be unset instead of being blank,
-- even though there's really no legitimate use case for this. At some point, this will be removed.
local lowestNil = math.huge
for i = 8,1,-1 do
if args[i] == nil then
args[i] = ''
lowestNil = i
end
end

for k,v in ipairs(args) do
if v ~= '' then
if lowestNil < k then
-- If any uses of this template depend on the behavior above, add them to a tracking category.
-- This is a rather fragile, convoluted, hacky way to do it, but it ensures that this module's output won't be modified
-- by it.
frame:extensionTag('ref', '[[Category:Instances of Template:If_empty missing arguments]]', {group = 'TrackingCategory'})
frame:extensionTag('references', '', {group = 'TrackingCategory'})
end
return v
end
end
end

return p

@@ Line 4: / Line 4: @@
 	local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})
 	for k,v in ipairs(args) do
 		if v ~= '' then
 			return v
 		end
 	end
 end