Only RegEx if there is something to RegEx

2014-11-09 02:16:28 +01:00 · 2014-11-09 02:16:28 +01:00 · 5c9cc49363
commit 5c9cc49363
parent db2560d7fc
1 changed files with 1 additions and 0 deletions
--- a/lib/diaspora/camo.rb
+++ b/lib/diaspora/camo.rb
@ -2,6 +2,7 @@
 module Diaspora
  module Camo
    def self.from_markdown(markdown_text)
+      return unless markdown_text
      markdown_text.gsub(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/m) do |link|
        link.gsub($4, self.image_url($4))
      end