Class: Montrose::Week

Inherits:
Object
  • Object
show all
Defined in:
lib/montrose/week.rb

Constant Summary collapse

NUMBERS = 
(-53.upto(-1).to_a + 1.upto(53).to_a)

Class Method Summary collapse

Class Method Details

.assert(number) ⇒ Object

Raises:



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# File 'lib/montrose/week.rb', line 12

def assert(number)
  test = number.abs
  raise ConfigurationError, "Out of range: #{NUMBERS.inspect} does not include #{test}" unless NUMBERS.include?(number.abs)

  number
end

.parse(arg) ⇒ Object 



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# File 'lib/montrose/week.rb', line 6

def parse(arg)
  return nil unless arg.present?

  Array(arg).map { |value| assert(value.to_i) }
end