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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 12 days ago |
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Fix frontend appearance
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-
Property mode
set to
100644
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File size:
1.1 KB
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| 1 | 'use strict';
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| 2 |
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| 3 | var $RangeError = require('es-errors/range');
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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 |
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| 8 | // https://262.ecma-international.org/5.1/#sec-15.9.1.4
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| 9 |
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| 10 | module.exports = function MonthFromTime(t) {
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| 11 | var day = DayWithinYear(t);
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| 12 | if (0 <= day && day < 31) {
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| 13 | return 0;
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| 14 | }
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| 15 | var leap = InLeapYear(t);
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| 16 | if (31 <= day && day < (59 + leap)) {
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| 17 | return 1;
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| 18 | }
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| 19 | if ((59 + leap) <= day && day < (90 + leap)) {
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| 20 | return 2;
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| 21 | }
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| 22 | if ((90 + leap) <= day && day < (120 + leap)) {
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| 23 | return 3;
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| 24 | }
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| 25 | if ((120 + leap) <= day && day < (151 + leap)) {
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| 26 | return 4;
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| 27 | }
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| 28 | if ((151 + leap) <= day && day < (181 + leap)) {
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| 29 | return 5;
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| 30 | }
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| 31 | if ((181 + leap) <= day && day < (212 + leap)) {
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| 32 | return 6;
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| 33 | }
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| 34 | if ((212 + leap) <= day && day < (243 + leap)) {
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| 35 | return 7;
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| 36 | }
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| 37 | if ((243 + leap) <= day && day < (273 + leap)) {
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| 38 | return 8;
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| 39 | }
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| 40 | if ((273 + leap) <= day && day < (304 + leap)) {
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| 41 | return 9;
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| 42 | }
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| 43 | if ((304 + leap) <= day && day < (334 + leap)) {
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| 44 | return 10;
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| 45 | }
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| 46 | if ((334 + leap) <= day && day < (365 + leap)) {
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| 47 | return 11;
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| 48 | }
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| 49 |
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| 50 | throw new $RangeError('Assertion failed: `day` is out of range');
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| 51 | };
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