SVG inline helpers for Rails

svg_helper.rb

# Inline svg from @tomeara https://gist.github.com/tomeara/6515860
def inline_svg(source)
  file = File.open("app/assets/images/#{source}", "rb")
  raw file.read
end

# SVG internal link
#= svg_tag 'sprite/icons.svg', 'icon-facebook-invers'

module SvgHelper
  def svg_tag(source, name, options = {})
    svg_tag_options = options.merge(
        :class => ['icon', name, options[:class]].reject(&:blank?).join(" "),
    )
    content_tag(:svg, svg_tag_options) do
      content_tag(:use, nil, "xlink:href" => path_to_image(source) + "#" + name)
    end
  end
end