Module:If empty

From Project Mailer
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

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', , {group = 'TrackingCategory'}) frame:extensionTag('references', , {group = 'TrackingCategory'}) end return v end end end

return p