Class: Temporal::Duration

Inherits:
Object
  • Object
show all
Defined in:
lib/temporal/duration.rb

Constant Summary collapse

UNIT_LIMITS = 
{
  year:    4_294_967_296,         #  2**32
  month:   4_294_967_296,         #  2**32
  week:    4_294_967_296,         #  2**32
  days:    104_249_991_375,       # (2**53 / 86_400.0).ceil | 2**53 is based
  hours:   2_501_999_792_984,     # (2**53 / 86_400.0).ceil | on EcmaScript
  minutes: 150_119_987_579_017,   # (2**53 / 86_400.0).ceil | Number.MAX_SAFE_INTEGER
  seconds: 9_007_199_254_740_992, #  2**53
}.freeze
UNITS = 
i[years months days
hours minutes seconds weeks
milliseconds microseconds nanoseconds].freeze

Instance Method Summary collapse

Constructor Details

#initialize(years = nil, months = nil, weeks = nil, days = nil, hours = nil, minutes = nil, seconds = nil, milliseconds = nil, microseconds = nil, nanoseconds = nil) ⇒ Duration

Returns a new instance of Duration.



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# File 'lib/temporal/duration.rb', line 21

def initialize(years = nil, months = nil, weeks = nil, days = nil,
               hours = nil, minutes = nil, seconds = nil,
               milliseconds = nil, microseconds = nil, nanoseconds = nil)
  values = [years, months, weeks, days,
            hours, minutes, seconds,
            milliseconds, microseconds, nanoseconds]
  values.map! do |v|
    case v
    in 0 then nil
    in String then v.to_i
    in Numeric then v
    else nil
    end
  end

  values.uniq!.compact!

  unless values.all?(&:positive?) || values.all?(&:negative?)
    raise RangeError, "Can't mix positive and negative numbers"
  end

  self.years        = years
  self.months       = months
  self.weeks        = weeks
  self.days         = days
  self.hours        = hours
  self.minutes      = minutes
  self.seconds      = seconds
  self.milliseconds = milliseconds
  self.microseconds = microseconds
  self.nanoseconds  = nanoseconds

  overboard
end

Instance Method Details

#total(unit) ⇒ Object 



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# File 'lib/temporal/duration.rb', line 56

def total(unit)
  if unit == :seconds
    (days * 86_400) +
      (hours * 3600) +
      (minutes * 60) +
      seconds +
      (((milliseconds * 1_000_000) +
        (microseconds * 1_000) +
        nanoseconds
       ) / 1_000_000_000.0)
  else
    0
  end
end