Module:If empty: Difference between revisions
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function p.
local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false})
▲ local i = 0
-- 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
end
end
▲ return args[i]
end
return p
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