Method: Sprockets::HTTPUtils#find_q_matches

Defined in:
lib/sprockets/http_utils.rb

#find_q_matches(q_values, available, &matcher) ⇒ Object

Internal: Find all qvalue matches from an Array of available options.

Adapted from Rack::Utils#q_values.

Returns Array of matched Strings from available Array or [].



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# File 'lib/sprockets/http_utils.rb', line 58

def find_q_matches(q_values, available, &matcher)
  matcher ||= lambda { |a, b| a == b }

  matches = []

  case q_values
  when Array
  when String
    q_values = parse_q_values(q_values)
  when NilClass
    q_values = []
  else
    raise TypeError, "unknown q_values type: #{q_values.class}"
  end

  q_values.each do |accepted, quality|
    if match = available.find { |option| matcher.call(option, accepted) }
      matches << [match, quality]
    end
  end

  matches.sort_by! { |match, quality| -quality }
  matches.map! { |match, quality| match }
  matches
end