diff options
Diffstat (limited to 'lib/banzai/filter/footnote_filter.rb')
| -rw-r--r-- | lib/banzai/filter/footnote_filter.rb | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/banzai/filter/footnote_filter.rb b/lib/banzai/filter/footnote_filter.rb index a7120fbd46e..dc00ca73147 100644 --- a/lib/banzai/filter/footnote_filter.rb +++ b/lib/banzai/filter/footnote_filter.rb @@ -16,25 +16,25 @@ module Banzai # can be used for a single render). So you get `id=fn1-4335` and `id=fn2-4335`. # class FootnoteFilter < HTML::Pipeline::Filter - INTEGER_PATTERN = /\A\d+\Z/.freeze + INTEGER_PATTERN = /\A\d+\z/.freeze def call return doc unless first_footnote = doc.at_css('ol > li[id=fn1]') # Sanitization stripped off the section wrapper - add it back in first_footnote.parent.wrap('<section class="footnotes">') + rand_suffix = "-#{random_number}" doc.css('sup > a[id]').each do |link_node| ref_num = link_node[:id].delete_prefix('fnref') footnote_node = doc.at_css("li[id=fn#{ref_num}]") - backref_node = doc.at_css("li[id=fn#{ref_num}] a[href=\"#fnref#{ref_num}\"]") + backref_node = footnote_node.at_css("a[href=\"#fnref#{ref_num}\"]") if ref_num =~ INTEGER_PATTERN && footnote_node && backref_node - rand_ref_num = "#{ref_num}-#{random_number}" - link_node[:href] = "#fn#{rand_ref_num}" - link_node[:id] = "fnref#{rand_ref_num}" - footnote_node[:id] = "fn#{rand_ref_num}" - backref_node[:href] = "#fnref#{rand_ref_num}" + link_node[:href] += rand_suffix + link_node[:id] += rand_suffix + footnote_node[:id] += rand_suffix + backref_node[:href] += rand_suffix # Sanitization stripped off class - add it back in link_node.parent.append_class('footnote-ref') |