Fix appending state to issuable referencesfix-appending-state-to-issuable-references

Closes #30874.
Ignore nodes with no children.
Append directly to the node instead of the last child of the node
to avoid inheriting formatting from the last child

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/banzai/filter/issuable_state_filter.rb b/lib/banzai/filter/issuable_state_filter.rb
index 6b78aa795b4..0b2b8bd7f4d 100644
--- a/lib/banzai/filter/issuable_state_filter.rb
+++ b/lib/banzai/filter/issuable_state_filter.rb
@@ -13,8 +13,8 @@ module Banzai
         issuables = extractor.extract([doc])
 
         issuables.each do |node, issuable|
-          if VISIBLE_STATES.include?(issuable.state)
-            node.children.last.content += " [#{issuable.state}]"
+          if VISIBLE_STATES.include?(issuable.state) && node.children.present?
+            node.add_child(Nokogiri::XML::Text.new(" [#{issuable.state}]", doc))
           end
         end