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- 'use strict';
- var DayWithinYear = require('./DayWithinYear');
- var InLeapYear = require('./InLeapYear');
- // https://262.ecma-international.org/5.1/#sec-15.9.1.4
- module.exports = function MonthFromTime(t) {
- var day = DayWithinYear(t);
- if (0 <= day && day < 31) {
- return 0;
- }
- var leap = InLeapYear(t);
- if (31 <= day && day < (59 + leap)) {
- return 1;
- }
- if ((59 + leap) <= day && day < (90 + leap)) {
- return 2;
- }
- if ((90 + leap) <= day && day < (120 + leap)) {
- return 3;
- }
- if ((120 + leap) <= day && day < (151 + leap)) {
- return 4;
- }
- if ((151 + leap) <= day && day < (181 + leap)) {
- return 5;
- }
- if ((181 + leap) <= day && day < (212 + leap)) {
- return 6;
- }
- if ((212 + leap) <= day && day < (243 + leap)) {
- return 7;
- }
- if ((243 + leap) <= day && day < (273 + leap)) {
- return 8;
- }
- if ((273 + leap) <= day && day < (304 + leap)) {
- return 9;
- }
- if ((304 + leap) <= day && day < (334 + leap)) {
- return 10;
- }
- if ((334 + leap) <= day && day < (365 + leap)) {
- return 11;
- }
- };
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