api: return when no subject was given to strsplit

2026-09-24 16:46:04 +00:00 · 2019-04-02 22:42:19 +02:00
parent 07d42861a8
commit 05349d475e
1 changed files with 1 additions and 0 deletions
@@ -14,6 +14,7 @@ mod = math.mod or mod
 -- 'subject'    [string]        String to split.
 -- return:      [list]          a list of strings.
 function pfUI.api.strsplit(delimiter, subject)
+  if not subject then return nil end
  local delimiter, fields = delimiter or ":", {}
  local pattern = string.format("([^%s]+)", delimiter)
  string.gsub(subject, pattern, function(c) fields[table.getn(fields)+1] = c end)