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# frozen_string_literal: true
module Gitlab
module FrontMatter
DELIM_LANG = {
'---' => 'yaml',
'+++' => 'toml',
';;;' => 'json'
}.freeze
DELIM = Regexp.union(DELIM_LANG.keys)
PATTERN = %r{
\A(?:[^\r\n]*coding:[^\r\n]*\R)? # optional encoding line
\s*
^(?<delim>#{DELIM})[ \t]*(?<lang>\S*)\R # opening front matter marker (optional language specifier)
(?<front_matter>.*?) # front matter block content (not greedy)
^(\k<delim> | \.{3}) # closing front matter marker
\s*
}mx.freeze
end
end
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