main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
set to
100644
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File size:
988 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var $EvalError = require('es-errors/eval');
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| 4 |
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| 5 | var DayWithinYear = require('./DayWithinYear');
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| 6 | var InLeapYear = require('./InLeapYear');
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| 7 | var MonthFromTime = require('./MonthFromTime');
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| 8 |
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| 9 | // https://262.ecma-international.org/5.1/#sec-15.9.1.5
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| 10 |
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| 11 | module.exports = function DateFromTime(t) {
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| 12 | var m = MonthFromTime(t);
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| 13 | var d = DayWithinYear(t);
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| 14 | if (m === 0) {
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| 15 | return d + 1;
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| 16 | }
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| 17 | if (m === 1) {
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| 18 | return d - 30;
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| 19 | }
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| 20 | var leap = InLeapYear(t);
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| 21 | if (m === 2) {
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| 22 | return d - 58 - leap;
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| 23 | }
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| 24 | if (m === 3) {
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| 25 | return d - 89 - leap;
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| 26 | }
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| 27 | if (m === 4) {
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| 28 | return d - 119 - leap;
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| 29 | }
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| 30 | if (m === 5) {
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| 31 | return d - 150 - leap;
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| 32 | }
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| 33 | if (m === 6) {
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| 34 | return d - 180 - leap;
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| 35 | }
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| 36 | if (m === 7) {
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| 37 | return d - 211 - leap;
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| 38 | }
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| 39 | if (m === 8) {
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| 40 | return d - 242 - leap;
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| 41 | }
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| 42 | if (m === 9) {
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| 43 | return d - 272 - leap;
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| 44 | }
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| 45 | if (m === 10) {
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| 46 | return d - 303 - leap;
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| 47 | }
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| 48 | if (m === 11) {
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| 49 | return d - 333 - leap;
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| 50 | }
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| 51 | throw new $EvalError('Assertion failed: MonthFromTime returned an impossible value: ' + m);
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| 52 | };
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