module Banzai
module Filter
class InlineDiffFilter < HTML::Pipeline::Filter
IGNORED_ANCESTOR_TAGS = %w(pre code tt).to_set
def call
search_text_nodes(doc).each do |node|
next if has_ancestor?(node, IGNORED_ANCESTOR_TAGS)
content = node.to_html
content = content.gsub(/(?:\[\-(.*?)\-\]|\{\-(.*?)\-\})/, '\1\2')
content = content.gsub(/(?:\[\+(.*?)\+\]|\{\+(.*?)\+\})/, '\1\2')
next if html == content
node.replace(content)
end
doc
end
end
end
end