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module Gitlab
module Markdown
class MarkdownFilter < HTML::Pipeline::TextFilter
def initialize(text, context = nil, result = nil)
super text, context, result
@text = @text.delete "\r"
end
def call
html = self.class.renderer.render(@text)
html.rstrip!
html
end
private
def self.redcarpet_options
# https://github.com/vmg/redcarpet#and-its-like-really-simple-to-use
@redcarpet_options ||= {
fenced_code_blocks: true,
footnotes: true,
lax_spacing: true,
no_intra_emphasis: true,
space_after_headers: true,
strikethrough: true,
superscript: true,
tables: true
}.freeze
end
def self.renderer
@renderer ||= begin
renderer = Redcarpet::Render::HTML.new
Redcarpet::Markdown.new(renderer, redcarpet_options)
end
end
end
end
end
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