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# Mô đun:In5

Tài liệu mô đun[tạo]
```-- Mô đun này thực hiện {{in5}}.

local p = {}

function p.in5(frame)
local indent = frame.args[1]
-- Trim whitespace and convert to number. Default to 5 if not present,
-- as per the template title.
indent = tonumber( mw.text.trim(indent) ) or 5
-- Round down to nearest integer. Decimal values produce funky results
-- from the original template, but there's no need for us to replicate that.
indent = math.floor( indent )
-- Don't output anything for zero or less. Again, there was some funky output
-- here for negatives, but now we're in Lua we should use sane defaults.
if indent <= 0 then
return
end

local base = '&nbsp; '
local modulo = '&nbsp;'

--[[
Indent values and the corresponding values for base and modulo:

indent  base    modulo
1       0       1
2       0       2
3       1       1
4       1       2
5       2       1
6       2       2
7       3       1
8       3       2
9       4       1
10      4       2
]]

local baseNum = math.floor( (indent - 1) / 2 )
local modNum = math.fmod( indent - 1 , 2 ) + 1

return mw.ustring.rep( base, baseNum) .. mw.ustring.rep( modulo, modNum )
end

return p
```