Difference between revisions of "Module:Str endswith"
m (Protected "Module:Str endswith": High-risk Lua module ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))) |
m (1 revision imported) |
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Latest revision as of 13:55, 18 July 2018
Documentation for this module may be created at Module:Str endswith/doc
-- This module implements {{str endswith}}.
local TRUE_STRING = 'yes'
local FALSE_STRING = ''
local p = {}
local function trim(s)
return s:match('^%s*(.-)%s*$')
end
function p.main(frame)
local args = frame:getParent().args
local s = args[1]
local pattern = args[2]
if not s or not pattern then
-- TRUE_STRING is not the natural choice here, but is needed for
-- backwards compatibility.
return TRUE_STRING
end
s = trim(s)
pattern = trim(pattern)
if pattern == '' then
-- All strings end with the empty string.
return TRUE_STRING
end
if mw.ustring.sub(s, 0 - mw.ustring.len(pattern), -1) == pattern then
return TRUE_STRING
else
return FALSE_STRING
end
end
return p
