blob: 02324a1f574c6b720edbf3b6fde768dd94b5f36d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
-- Unindenting transforms a string like this:
-- [[
-- {
-- foo = 1,
-- bar = 2
-- }
-- ]]
--
-- Into the same one without indentation, nor start/end newlines
--
-- [[{
-- foo = 1,
-- bar = 2
-- }]]
--
-- This makes the strings look and read better in the tests
--
local getIndentPreffix = function(str)
local level = math.huge
local minPreffix = ""
local len
for preffix in str:gmatch("\n( +)") do
len = #preffix
if len < level then
level = len
minPreffix = preffix
end
end
return minPreffix
end
local unindent = function(str)
str = str:gsub(" +$", ""):gsub("^ +", "") -- remove spaces at start and end
local preffix = getIndentPreffix(str)
return (str:gsub("\n" .. preffix, "\n"):gsub("\n$", ""))
end
return unindent
|
