gitlab-org--gitlab-foss/lib/banzai/filter/set_direction_filter.rb

18 lines
447 B
Ruby

# frozen_string_literal: true
module Banzai
module Filter
# HTML filter that sets dir="auto" for RTL languages support
class SetDirectionFilter < HTML::Pipeline::Filter
def call
# select these elements just on top level of the document
doc.xpath('p|h1|h2|h3|h4|h5|h6|ol|ul[not(@class="section-nav")]|blockquote|table').each do |el|
el['dir'] = 'auto'
end
doc
end
end
end
end