Class: Banzai::Filter::FrontMatterFilter

Inherits:
HTML::Pipeline::Filter
  • Object
show all
Defined in:
lib/banzai/filter/front_matter_filter.rb

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 


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# File 'lib/banzai/filter/front_matter_filter.rb', line 6

def call
  lang_mapping = Gitlab::FrontMatter::DELIM_LANG

  html.sub(Gitlab::FrontMatter::PATTERN) do |_match|
    lang = $~[:lang].presence || lang_mapping[$~[:delim]]

    before = $~[:before]
    before = "\n#{before}" if $~[:encoding].presence

    "#{before}```#{lang}:frontmatter\n#{$~[:front_matter]}```\n"
  end
end