Module:If empty: Difference between revisions

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(lua doesn't cast nil into blank strings apparently)
m (test: do I even need these lines?)
Line 1: Line 1:
-- this is intended to replace {{If empty}}
-- this is intended to replace {{If empty}}
local p = {};
function p.run(frame)
function p.run(frame)
local args = require('Module:Arguments').getArgs(frame)
local args = require('Module:Arguments').getArgs(frame)
Line 10: Line 9:
return args[i]
return args[i]
end
end
return p

Revision as of 14:01, 23 December 2014

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

-- this is intended to replace {{If empty}}
function p.run(frame)
	local args = require('Module:Arguments').getArgs(frame)
	local i = 0
	args[table.getn(args)] = ''
	while args[i] == nil or string.len(args[i]) == 0 do
		i = i + 1
	end
	return args[i]
end
Retrieved from "https://tep.wiki/wiki/Module:If_empty?oldid=7789"