Module:If empty: Difference between revisions
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imported>Jackmcbarn (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)) |
imported>Jackmcbarn (add comment) |
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| Line 3: | Line 3: | ||
function p.main(frame) | function p.main(frame) | ||
local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false}) | local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:If empty', removeBlanks = false}) | ||
-- For backwards compatibility reasons, the first 9 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. | |||
for i = 1,9 do | for i = 1,9 do | ||
if args[i] == nil then | if args[i] == nil then | ||
| Line 8: | Line 11: | ||
end | end | ||
end | end | ||
for _,v in ipairs(args) do | for _,v in ipairs(args) do | ||
if v ~= '' then | if v ~= '' then | ||
Revision as of 21:24, 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 backwards compatibility reasons, the first 9 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.
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