| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 3 | var $EvalError = require('es-errors/eval'); |
| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 4 | |
| 5 | var DayWithinYear = require('./DayWithinYear'); |
| 6 | var InLeapYear = require('./InLeapYear'); |
| 7 | var MonthFromTime = require('./MonthFromTime'); |
| 8 | |
| Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 9 | // https://262.ecma-international.org/5.1/#sec-15.9.1.5 |
| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 10 | |
| 11 | module.exports = function DateFromTime(t) { |
| 12 | var m = MonthFromTime(t); |
| 13 | var d = DayWithinYear(t); |
| 14 | if (m === 0) { |
| 15 | return d + 1; |
| 16 | } |
| 17 | if (m === 1) { |
| 18 | return d - 30; |
| 19 | } |
| 20 | var leap = InLeapYear(t); |
| 21 | if (m === 2) { |
| 22 | return d - 58 - leap; |
| 23 | } |
| 24 | if (m === 3) { |
| 25 | return d - 89 - leap; |
| 26 | } |
| 27 | if (m === 4) { |
| 28 | return d - 119 - leap; |
| 29 | } |
| 30 | if (m === 5) { |
| 31 | return d - 150 - leap; |
| 32 | } |
| 33 | if (m === 6) { |
| 34 | return d - 180 - leap; |
| 35 | } |
| 36 | if (m === 7) { |
| 37 | return d - 211 - leap; |
| 38 | } |
| 39 | if (m === 8) { |
| 40 | return d - 242 - leap; |
| 41 | } |
| 42 | if (m === 9) { |
| 43 | return d - 272 - leap; |
| 44 | } |
| 45 | if (m === 10) { |
| 46 | return d - 303 - leap; |
| 47 | } |
| 48 | if (m === 11) { |
| 49 | return d - 333 - leap; |
| 50 | } |
| 51 | throw new $EvalError('Assertion failed: MonthFromTime returned an impossible value: ' + m); |
| 52 | }; |
