initial commit

config/initializers/field_error_proc.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+ActionView::Base.field_error_proc = proc do |html_tag, instance|
+  next html_tag if html_tag.starts_with?('<label')
+
+  errors = Array(instance.error_message).join(', ')
+
+  field_name =
+    instance.object.class.human_attribute_name(instance.instance_variable_get(:@method_name).to_s)
+
+  result = html_tag
+  result += ApplicationController.helpers.tag.div("#{field_name} #{errors}") if errors.present?
+
+  result
+end