module FriendlyMarkdown

# File lib/friendly_markdown.rb, line 11
def autolink text
  text.gsub(%r{\<?\bhttps?://\S+[\b/]?}) do |m|
    if m =~ /\A<.+>\z$/
      s = m[1..-2]
      %Q{&lt;<a href="#{s}">#{s}</a>&gt;}
    else
      %Q{<a href="#{m}">#{m}</a>}
    end
  end
end

# File lib/friendly_markdown.rb, line 7
def compile input, mconfig: markdown_config, sconfig: sanitize_config
  sanitize(markdown(autolink(input.strip), mconfig), sconfig)
end

# File lib/friendly_markdown.rb, line 22
def markdown md, config=markdown_config
  Kramdown::Document.new(md, config).to_html
end

# File lib/friendly_markdown.rb, line 30
def markdown_config
  {:input => 'GFM', :hard_wrap => true}
end

# File lib/friendly_markdown.rb, line 26
def sanitize html, config=sanitize_config
  Sanitize.fragment(html, config)
end

# File lib/friendly_markdown.rb, line 34
def sanitize_config
  Sanitize::Config::RELAXED
end