1 files changed, 33 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/radio_button.rb b/actionview/lib/action_view/helpers/tags/radio_button.rb
new file mode 100644
index 0000000000..621db2b1b5
--- /dev/null
+++ b/actionview/lib/action_view/helpers/tags/radio_button.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require "action_view/helpers/tags/checkable"
+
+module ActionView
+  module Helpers
+    module Tags # :nodoc:
+      class RadioButton < Base # :nodoc:
+        include Checkable
+
+        def initialize(object_name, method_name, template_object, tag_value, options)
+          @tag_value = tag_value
+          super(object_name, method_name, template_object, options)
+        end
+
+        def render
+          options = @options.stringify_keys
+          options["type"]     = "radio"
+          options["value"]    = @tag_value
+          options["checked"] = "checked" if input_checked?(options)
+          add_default_name_and_id_for_value(@tag_value, options)
+          tag("input", options)
+        end
+
+        private
+
+          def checked?(value)
+            value.to_s == @tag_value.to_s
+          end
+      end
+    end
+  end
+end