Module: CoPlan::MarkdownHelper

Defined in:
app/helpers/coplan/markdown_helper.rb

Constant Summary collapse

ALLOWED_TAGS = 
%w[
  h1 h2 h3 h4 h5 h6
  p div span
  ul ol li
  table thead tbody tfoot tr th td
  pre code
  a img
  strong em b i u s del
  blockquote hr br
  dd dt dl
  sup sub
].freeze
ALLOWED_ATTRIBUTES = 
%w[id class href src alt title].freeze

Instance Method Summary collapse

Instance Method Details

#render_line_view(content) ⇒ Object 



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# File 'app/helpers/coplan/markdown_helper.rb', line 24

def render_line_view(content)
  lines = content.to_s.split("\n", -1)
  line_divs = lines.each_with_index.map do |line, index|
    n = index + 1
    escaped = ERB::Util.html_escape(line)
    inner = escaped.blank? ? " ".html_safe : escaped
    tag.div(inner, class: "line-view__line", id: "L#{n}", data: { line: n })
  end

  tag.div(safe_join(line_divs), class: "line-view", data: { controller: "line-selection" })
end

#render_markdown(content) ⇒ Object 



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# File 'app/helpers/coplan/markdown_helper.rb', line 18

def render_markdown(content)
  html = Commonmarker.to_html(content.to_s.encode("UTF-8"), plugins: { syntax_highlighter: nil })
  sanitized = sanitize(html, tags: ALLOWED_TAGS, attributes: ALLOWED_ATTRIBUTES)
  tag.div(sanitized, class: "markdown-rendered")
end