lib/node_mutation.rb in node_mutation-1.4.2 vs lib/node_mutation.rb in node_mutation-1.4.3

@@ -232,10 +232,10 @@
     conflict_actions = get_conflict_actions
     if conflict_actions.size > 0 && NodeMutation.strategy == THROW_ERROR
       raise ConflictActionError, "mutation actions are conflicted"
     end
     @actions.reverse_each do |action|
-      source[action.start...action.end] = action.new_code
+      source[action.start...action.end] = action.new_code if action.new_code
     end
     NodeMutation::Result.new(
       affected: true,
       conflicted: !conflict_actions.empty?,
       new_source: source