mojotech/capybara-ui

module Capybara
  module UI
    module Conversions
      extend self

      def Boolean(val)
        case val
        when 'yes', 'true', true
          true
        when 'no', 'false', false, nil, ''
          false
        else
          raise ArgumentError, "can't convert #{val.inspect} to boolean"
        end
      end

      def List(valstr, &block)
        vs = valstr.strip.split(/\s*,\s*/)

        block ? vs.map(&block) : vs
      end

      def Timeish(val)
        raise ArgumentError, "can't convert nil to Timeish" if val.nil?

        return val if Date === val || Time === val || DateTime === val

        Chronic.parse(val) or
          raise ArgumentError, "can't parse #{val.inspect} to Timeish"
      end
    end
  end
end