Add Serializer#self_closing_tag? private method for easier overriding in subclasses

Author: jeremyevans

CHANGELOG

@@ -1,3 +1,7 @@
+=== master
+
+* Add Serializer#self_closing_tag? private method for easier overriding in subclasses (jeremyevans)
+
 === 2.6.0 (2024-06-18)
 
 * Add Roda forme_erubi_capture_block plugin to support erubi/capture_block <%= form do %> <% end %> tags (jeremyevans)

lib/forme/transformers/serializer.rb

@@ -19,7 +19,7 @@ class Serializer
     def call(tag)
       case tag
       when Tag
-        if SELF_CLOSING.include?(tag.type)
+        if self_closing_tag?(tag.type)
           "<#{tag.type}#{attr_html(tag.attr)}/>"
         else
           "#{serialize_open(tag)}#{call(tag.children)}#{serialize_close(tag)}"
@@ -79,6 +79,12 @@ def attr_html(attr)
       attr = attr.to_a.reject{|k,v| v.nil?}
       " #{attr.map{|k, v| "#{k}=\"#{attr_value(v)}\""}.sort.join(' ')}" unless attr.empty?
     end
+
+    # Return whether the tag is self closing. this can be overridden in subclasses
+    # to make additional types self closing.
+    def self_closing_tag?(type)
+      SELF_CLOSING.include?(type)
+    end
   end
 
   # Overrides formatting of dates and times to use an American format without