module Sloth
  module HashHelpers
    def find_all_values_for key
      result = []
      result << self[key]
      self.values.each do |hash_value|
        values = hash_value.is_a?(Array) ? hash_value : [hash_value]
        values.flatten.compact.each do |value|
          result += value.find_all_values_for(key) if value.is_a? Hash
        end
      end
      result.compact
    end
  end
end