Rails view renderer

view_renderer.rb

class ViewRenderer
  class ViewRenderingController < ActionController::Base
    include Rails.application.routes.url_helpers
    include ApplicationHelper

    def protect_against_forgery?
      false
    end
  end

  def self.render_to_string(template, options = {})
    new.render_to_string(template, options)
  end

  def initialize
    @renderer = ViewRenderingController.renderer
  end

  def render_to_string(template, options = {})
    @renderer.render({template: template}.merge(options))
  end
end