Source Browser

module HighlightHelper
  def highlight_code(source, language: "ruby")
    formatter = Rouge::Formatters::HTMLLinewise.new(
      Rouge::Formatters::HTML.new,
      class: "line"
    )
    lexer = Rouge::Lexer.find(language) || Rouge::Lexers::PlainText.new
    raw formatter.format(lexer.lex(source))
  end

  def render_markdown(text)
    renderer = Redcarpet::Render::HTML.new(hard_wrap: true, filter_html: false)
    markdown = Redcarpet::Markdown.new(renderer,
      autolink: true,
      fenced_code_blocks: true,
      tables: true,
      no_intra_emphasis: true
    )
    raw markdown.render(text)
  end
end