You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
555 B
23 lines
555 B
5 months ago
|
var getWhatYear = require('./getWhatYear')
|
||
|
|
var toStringDate = require('./toStringDate')
|
||
|
|
|
||
|
|
var isValidDate = require('./isValidDate')
|
||
|
|
var isLeapYear = require('./isLeapYear')
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 返回某个年份的天数
|
||
|
|
*
|
||
|
|
* @param {Date} date 日期或数字
|
||
|
|
* @param {Number} offset 年(默认当年)、前几个年、后几个年
|
||
|
|
* @return {Number}
|
||
|
|
*/
|
||
|
|
function getDayOfYear (date, year) {
|
||
|
|
date = toStringDate(date)
|
||
|
|
if (isValidDate(date)) {
|
||
|
|
return isLeapYear(getWhatYear(date, year)) ? 366 : 365
|
||
|
|
}
|
||
|
|
return NaN
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = getDayOfYear
|