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1
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'use strict';
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2
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3
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var DayWithinYear = require('./DayWithinYear');
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4
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var InLeapYear = require('./InLeapYear');
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5
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|
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6
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// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.4
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7
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|
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8
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module.exports = function MonthFromTime(t) {
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9
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var day = DayWithinYear(t);
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10
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if (0 <= day && day < 31) {
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11
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return 0;
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12
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}
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13
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var leap = InLeapYear(t);
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14
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if (31 <= day && day < (59 + leap)) {
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15
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return 1;
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16
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}
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17
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if ((59 + leap) <= day && day < (90 + leap)) {
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18
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return 2;
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19
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}
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20
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if ((90 + leap) <= day && day < (120 + leap)) {
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21
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return 3;
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22
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}
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23
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if ((120 + leap) <= day && day < (151 + leap)) {
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24
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return 4;
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25
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}
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26
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if ((151 + leap) <= day && day < (181 + leap)) {
|
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27
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return 5;
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|
28
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}
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29
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if ((181 + leap) <= day && day < (212 + leap)) {
|
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30
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return 6;
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|
31
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}
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32
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if ((212 + leap) <= day && day < (243 + leap)) {
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33
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return 7;
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34
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}
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35
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if ((243 + leap) <= day && day < (273 + leap)) {
|
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36
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return 8;
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|
37
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}
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38
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if ((273 + leap) <= day && day < (304 + leap)) {
|
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39
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return 9;
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|
40
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}
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41
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if ((304 + leap) <= day && day < (334 + leap)) {
|
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42
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return 10;
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|
43
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}
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44
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if ((334 + leap) <= day && day < (365 + leap)) {
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45
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return 11;
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|
46
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}
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47
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};
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