Module: RubyRunJs::JsDateMethods

Extended by:
Helper
Defined in:
lib/ruby_run_js/object_methods/js_date.rb

Constant Summary collapse

CUM = 
[0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]

Class Method Summary collapse

Methods included from Helper

check_object, get_member, get_member_dot, is_accessor_descriptor, is_callable, is_data_descriptor, is_generic_descriptor, is_primitive, make_error, strict_equality

Methods included from ConversionHelper

#convert_to_js_type, #to_boolean, #to_int32, #to_integer, #to_number, #to_object, #to_primitive, #to_string, #to_uint16, #to_uint32

Class Method Details

._date_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 354

def _date_from_time(t)
  month = _month_from_time(t)
  day = _day_within_year(t)
  leap_year = _in_leap_year(t)
  case month
  when 0
    day + 1
  when 1
    day - 30
  when 2
    day - 58 - leap_year
  when 3
    day - 89 - leap_year
  when 4
    day - 119 - leap_year
  when 5
    day - 150 - leap_year
  when 6
    day - 180 - leap_year
  when 7
    day - 211 - leap_year
  when 8
    day - 242 - leap_year
  when 9
    day - 272 - leap_year
  when 10
    day - 303 - leap_year
  when 11
    day - 333 - leap_year
  end
end

._day(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 288

def _day(t)
  t / _ms_per_day
end

._day_from_year(y) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 299

def _day_from_year(y)
  y = y.to_i
  365 * (y - 1970) + (y - 1969) / 4 - (y - 1901) / 100 + (y - 1601) / 400
end

._day_within_year(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 331

def _day_within_year(t)
  _day(t) - _day_from_year(_year_from_time(t))
end

._days_in_year(y) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 292

def _days_in_year(y)
  return 365 if y % 4 != 0
  return 366 if y % 4 == 0 && y % 100 != 0
  return 365 if y % 100 == 0 && y % 400 != 0
  366
end

._hour_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 390

def _hour_from_time(t)
  (t / _ms_per_hour) % 24
end

._in_leap_year(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 326

def _in_leap_year(t)
  year = _year_from_time(t)
  _days_in_year(year) == 366 ? 1 : 0
end

._local_to_utc(t) ⇒ Object

DaylightSavingTime is ignored



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 450

def _local_to_utc(t)
  t - localTZA
end

._make_date(day, time) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 431

def _make_date(day, time)
  if !day.finite? || !time.finite?
    return Float::NAN
  end
  day * 24 * 60 * 60 * 1000 + time
end

._make_day(year, month, date) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 419

def _make_day(year, month, date)
  if !year.finite? || !month.finite? || !date.finite?
    return Float::NAN
  end
  y = to_integer(year)
  m = to_integer(month)
  dt = to_integer(date)
  ym = y + (m / 12).floor
  mn = m % 12
  _day_from_year(ym) + CUM[mn] + dt - 1 + ((_days_in_year(ym) == 366 && mn >= 2) ? 1 : 0)
end

._make_time(hour, min, sec, ms) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 406

def _make_time(hour, min, sec, ms)
  if !hour.finite? || !min.finite? || !sec.finite? || !ms.finite?
    return Float::NAN
  end
  h = to_integer(hour)
  m = to_integer(min)
  s = to_integer(sec)
  milli = to_integer(ms)
  h * 60 * 60 * 1000 + m * 60 * 1000 + s * 1000 + milli
end

._min_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 394

def _min_from_time(t)
  (t / _ms_per_minute) % 60
end

._month_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 335

def _month_from_time(t)
  day_within_year = _day_within_year(t)
  leap_year = _in_leap_year(t)

  return 0 if day_within_year < 31
  day_within_year -= leap_year
  return 1 if day_within_year < 59
  return 2 if day_within_year < 90
  return 3 if day_within_year < 120
  return 4 if day_within_year < 151
  return 5 if day_within_year < 181
  return 6 if day_within_year < 212
  return 7 if day_within_year < 243
  return 8 if day_within_year < 273
  return 9 if day_within_year < 304
  return 10 if day_within_year < 334
  return 11
end

._ms_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 402

def _ms_from_time(t)
  t % 1000
end

._ms_per_day ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 272

def _ms_per_day
  24 * 60 * 60 * 1000
end

._ms_per_hour ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 276

def _ms_per_hour
  60 * 60 * 1000
end

._ms_per_minute ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 280

def _ms_per_minute
  60 * 1000
end

._ms_per_second ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 284

def _ms_per_second
  1000
end

._sec_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 398

def _sec_from_time(t)
  (t / _ms_per_second) % 60
end

._time_clip(time) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 438

def _time_clip(time)
  if !time.finite? || time.abs > 8.64e15
    return Float::NAN
  end
  to_integer(time)
end

._time_from_year(y) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 304

def _time_from_year(y)
  _day_from_year(y) * _ms_per_day
end

._utc_to_local(t) ⇒ Object

DaylightSavingTime is ignored



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 455

def _utc_to_local(t)
  t + localTZA
end

._week_day(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 386

def _week_day(t)
  (_day(t) + 4 ) % 7
end

._year_from_time(t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 308

def _year_from_time(t)
  guess = 1970 + t / 31556908800  # msPerYear
  gt = _time_from_year(guess)
  if gt <= t
    while gt <= t
      guess += 1
      gt = _time_from_year(guess)
    end
    return guess - 1
  else
    while gt > t
      guess -= 1
      gt = _time_from_year(guess)
    end
    return guess
  end
end

.check_date(obj) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 73

def check_date(obj)
  if obj.js_class != 'Date'
    raise make_error('TypeError', 'this is not a Date object')
  end
end

.constructor(builtin, this, *args) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 10

def constructor(builtin, this, *args)
  obj = constructor_new(builtin, this, )
  obj.get('toString').call(obj)
end

.constructor_new(builtin, this, *args) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 15

def constructor_new(builtin, this, *args)
  if args.length == 0
    return builtin.new_date_by_ruby_time(Time.now)
  end

  if args.length >= 2
    y = to_number(args[0])
    m = to_number(args[1])
    dt = args[2].nil? ? 1.0 : to_number(args[2]) 
    h = args[3].nil? ? 0.0 : to_number(args[3])
    min = args[4].nil? ? 0.0 : to_number(args[4])
    s = args[5].nil? ? 0.0 : to_number(args[5])
    milli = args[6].nil? ? 0.0 : to_number(args[6])
    y_int = to_integer(y)
    if y == y && y_int >= 0 && y_int <= 99
      yr = y_int + 1900
    else
      yr = y
    end
    finalDate = _make_date(_make_day(yr, m, dt), _make_time(h, min, s, milli))
    return builtin.new_date(_time_clip(_local_to_utc(finalDate)))
  end

  v = to_primitive(args[0])
  if v.js_type == :String
    time_value = constructor_parse(builtin, this, v).value
  else
    time_value = to_number(v)
  end
  builtin.new_date(_time_clip(time_value))
end

.constructor_now(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 69

def constructor_now(builtin, this)
  Time.now.to_f.round(3) * 1000
end

.constructor_parse(builtin, this, str) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 47

def constructor_parse(builtin, this, str)
  builtin.new_date_by_ruby_time(Time.parse(str))
end

.constructor_UTC(builtin, this, *args) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 51

def constructor_UTC(builtin, this, *args)
  y = to_number(args[0])
  m = to_number(args[1])
  dt = args[2].nil? ? 1.0 : to_number(args[2]) 
  h = args[3].nil? ? 0.0 : to_number(args[3])
  min = args[4].nil? ? 0.0 : to_number(args[4])
  s = args[5].nil? ? 0.0 : to_number(args[5])
  milli = args[6].nil? ? 0.0 : to_number(args[6])
  y_int = to_integer(y)
  if y == y && y_int >= 0 && y_int <= 99
    yr = y_int + 1900
  else
    yr = y
  end
  finalDate = _make_date(_make_day(yr, m, dt), _make_time(h, min, s, milli))
  _time_clip(finalDate).to_f
end

.localTZA ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 445

def localTZA
  @localTZA ||= ((Time.local(2000) - Time.utc(2000)).to_f * 1000).to_i
end

.property_get_from_time(name, t) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 119

def property_get_from_time(name, t)
  r = case name
  when :FullYear
    _year_from_time(t)
  when :Month
    _month_from_time(t)
  when :Date
    _date_from_time(t)
  when :Day
    _week_day(t)
  when :Hours
    _hour_from_time(t)
  when :Minutes
    _min_from_time(t)
  when :Seconds
    _sec_from_time(t)
  when :Milliseconds
    _ms_from_time(t)
  end
  r.to_f
end

.property_set_from_time(name, t, args) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 172

def property_set_from_time(name, t, args)
  hour = _hour_from_time(t)
  min = _min_from_time(t)
  second = _sec_from_time(t)
  ms = _ms_from_time(t)

  year = _year_from_time(t)
  month = _month_from_time(t)
  date = _date_from_time(t)
  
  case name
  when :FullYear
    year = to_number(args[0])
    if args.length > 1
      month = to_number(args[1])
    end
    if args.length > 2
      date = to_number(args[2])
    end
  when :Month
    month = to_number(args[0])
    if args.length > 1
      date = to_number(args[1])
    end
  when :Date
    date = to_number(args[0])
  when :Day
    _week_day(t)
  when :Hours
    hour = to_number(args[0])
    if args.length > 1
      min = to_number(args[1])
    end
    if args.length > 2
      second = to_number(args[2])
    end
    if args.length > 3
      ms = to_number(args[3])
    end
  when :Minutes
    min = to_number(args[0])
    if args.length > 1
      second = to_number(args[1])
    end
    if args.length > 2
      ms = to_number(args[2])
    end
  when :Seconds
    second = to_number(args[0])
    if args.length > 1
      ms = to_number(args[1])
    end
  when :Milliseconds
    ms = to_number(args[0])
  end
  time = _make_time(hour, min, second, ms)
  _make_date(_make_day(year, month, date), time)
end

.prototype_getTime(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 114

def prototype_getTime(builtin, this)
  check_date(this)
  this.value.to_f
end

.prototype_getTimezoneOffset(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 158

def prototype_getTimezoneOffset(builtin, this)
  check_date(this)
  t = this.value
  return t if t != t
  (t - _utc_to_local(t)) / 60000.0
end

.prototype_setTime(builtin, this, time) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 165

def prototype_setTime(builtin, this, time)
  check_date(this)
  v = _time_clip(to_number(time))
  this.set_value(v)
  v.to_f
end

.prototype_toDateString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 84

def prototype_toDateString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%d %B %Y')
end

.prototype_toISOString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 256

def prototype_toISOString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%Y-%m-%dT%H:%M:%S.%LZ')
end

.prototype_toJSON(builtin, this, key) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 261

def prototype_toJSON(builtin, this, key)
  obj = to_object(this, builtin)
  tv = to_primitive(obj, 'Number')
  return null if tv.js_type == :Number && !tv.finite?
  toISO = obj.get('toISOString')
  unless is_callable(toISO)
    raise make_error('TypeError', 'toISOString is not callable')
  end
  toISO.call(obj, [])
end

.prototype_toLocaleDateString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 99

def prototype_toLocaleDateString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%d %B %Y')
end

.prototype_toLocaleString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 94

def prototype_toLocaleString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%d %B %Y %H:%M:%S')
end

.prototype_toLocaleTimeString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 104

def prototype_toLocaleTimeString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%H:%M:%S')
end

.prototype_toString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 79

def prototype_toString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%Y-%m-%dT%H:%M:%S.%LZ')
end

.prototype_toTimeString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 89

def prototype_toTimeString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%H:%M:%S')
end

.prototype_toUTCString(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 251

def prototype_toUTCString(builtin, this)
  check_date(this)
  this.rb_time.strftime('%Y-%m-%dT%H:%M:%S.%LZ')
end

.prototype_valueOf(builtin, this) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_date.rb', line 109

def prototype_valueOf(builtin, this)
  check_date(this)
  this.value.to_f
end