class LicenseFinder::Package

def self.license_names_from_standard_spec(spec)
  licenses = spec['licenses'] || [spec['license']].compact
  licenses = [licenses] unless licenses.is_a?(Array)
  licenses = licenses.flatten
  licenses.map do |license|
    if license.is_a? Hash
      license['type']
    else
      license
    end
  end
end