Markdown Helper

markdown_helper.rb

require 'redcarpet'
require 'redcarpet/render_strip'

module MarkdownHelper
  def markdown(str)
    html_renderer.render(str).html_safe
  end

  def plain_text(str)
    strip_down_renderer.render(str).html_safe
  end

  def html_renderer
    Redcarpet::Markdown.new(Redcarpet::Render::HTML, autolink: true)
  end

  def strip_down_renderer
    Redcarpet::Markdown.new(Redcarpet::Render::StripDown)
  end
end