/
index.js
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/
index.js
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import isWeekend from '../isWeekend/index.js'
import toDate from '../toDate/index.js'
import toInteger from '../_lib/toInteger/index.js'
/**
* @name addBusinessDays
* @category Day Helpers
* @summary Add the specified number of business days (mon - fri) to the given date.
*
* @description
* Add the specified number of business days (mon - fri) to the given date, ignoring weekends.
*
* @param {Date|Number} date - the date to be changed
* @param {Number} amount - the amount of business days to be added
* @returns {Date} the new date with the business days added
* @throws {TypeError} 2 arguments required
*
* @example
* // Add 10 business days to 1 September 2014:
* var result = addBusinessDays(new Date(2014, 8, 1), 10)
* //=> Mon Sep 15 2014 00:00:00 (skipped weekend days)
*/
export default function addBusinessDays(dirtyDate, dirtyAmount) {
if (arguments.length < 2) {
throw new TypeError(
'2 arguments required, but only ' + arguments.length + ' present'
)
}
var date = toDate(dirtyDate)
var amount = toInteger(dirtyAmount)
if (isNaN(amount)) return new Date(NaN)
var hours = date.getHours()
var numWeekDays = 0
while (numWeekDays < amount) {
date.setDate(date.getDate() + 1)
date.setHours(hours)
if (!isWeekend(date)) numWeekDays++
}
return date
}