lib/ufo/utils/squeezer.rb in ufo-6.1.1 vs lib/ufo/utils/squeezer.rb in ufo-6.1.2

@@ -7,10 +7,12 @@
     def squeeze(new_data=nil)
       data = new_data.nil? ? @data : new_data
 
       case data
       when Array
-        data.map! { |v| squeeze(v) }
+        # .compact prevents infinite loop when data = [nil] on accident
+        # IE: config.elb.ssl.certificates = acm_cert("domain.not.found")
+        data.compact.map! { |v| squeeze(v) }
       when Hash
         data.each_with_object({}) do |(k,v), squeezed|
           # only remove nil and empty Array values within Hash structures
           squeezed[k] = squeeze(v) unless v.nil? # || v.is_a?(Array) && v.empty?
           squeezed