discourse/plugins/footnote/plugin.rb

47 lines
1.1 KiB
Ruby

# frozen_string_literal: true
# name: footnote
# about: Adds markdown.it footnote support to Discourse
# version: 1.0
# authors: Discourse Team
# url: https://github.com/discourse/discourse/tree/main/plugins/footnote
enabled_site_setting :enable_markdown_footnotes
register_asset "vendor/javascripts/markdown-it-footnote.js", :vendored_pretty_text
register_asset "stylesheets/footnotes.scss"
register_svg_icon "ellipsis-h" if respond_to?(:register_svg_icon)
on(:before_post_process_cooked) do |doc, post|
doc
.css("a.footnote-backref")
.each do |backref|
href = backref["href"] || ""
id = href[6..-1].to_i
backref["href"] = "#footnote-ref-#{post.id}-#{id}"
end
doc
.css("sup.footnote-ref a")
.each do |ref|
href = ref["href"] || ""
id = href[3..-1].to_i
ref["href"] = "#footnote-#{post.id}-#{id}"
id = ref["id"] || ""
id = id[5..-1].to_i
ref["id"] = "footnote-ref-#{post.id}-#{id}"
end
doc
.css("li.footnote-item")
.each do |li|
id = li["id"] || ""
id = id[2..-1].to_i
li["id"] = "footnote-#{post.id}-#{id}"
end
end