Raise helpful error when calling a missing rails helper

Co-Authored-By: Seth Horsley <[email protected]>

lib/phlex/rails.rb

@@ -26,6 +26,7 @@ module Rails
 
 	HTML.extend Phlex::Rails::HTML::Format
 	HTML.include Phlex::Rails::HTML::Format
+	HTML.include Phlex::Rails::HTML::MethodMissing
 
 	Unbuffered.prepend Phlex::Rails::UnbufferedOverrides
 end

lib/phlex/rails/html.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 module Phlex::Rails::HTML
+	autoload :MethodMissing, "phlex/rails/html/method_missing"
+
 	module Format
 		def format
 			:html

lib/phlex/rails/html/method_missing.rb

@@ -0,0 +1,9 @@
+module Phlex::Rails::HTML::MethodMissing
+	def method_missing(name, *args, **kwargs, &block)
+		return super unless helpers.respond_to?(name)
+		const_name = name.to_s.gsub("?", "")
+		module_name = Phlex::Rails::Helpers.constants.find { |mod| mod.to_s.underscore.gsub("domid", "dom_id") == const_name }
+		return super unless module_name
+		raise NoMethodError, "Try including `Phlex::Rails::Helpers::#{module_name}` in your class."
+	end
+end