Ruby helper to render Bourbon/Neat Refills style flash messages

refills_flash.rb

# Helper to render Bourbon/Neat Refills style flash messages
# https://gist.github.com/sshaw/bc27941c20f0adbfa5b5c9c57da095d7
module RefillsFlash
  FLASH_KEYS = [:success, :notice, :error, :alert]

  def flash_messages
    FLASH_KEYS.inject("") do |html, name|
      if flash[name]
        html << content_tag(:div, :class => "flash-#{name}") {
          content_tag :span, flash[name]
        }
      end
      html
    end.html_safe
  end
end