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.
30 lines
1.1 KiB
30 lines
1.1 KiB
import differenceInMonths from '../differenceInMonths/index.js';
|
|
import requiredArgs from '../_lib/requiredArgs/index.js';
|
|
/**
|
|
* @name differenceInQuarters
|
|
* @category Quarter Helpers
|
|
* @summary Get the number of full quarters between the given dates.
|
|
*
|
|
* @description
|
|
* Get the number of full quarters between the given dates.
|
|
*
|
|
* ### v2.0.0 breaking changes:
|
|
*
|
|
* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
|
|
*
|
|
* @param {Date|Number} dateLeft - the later date
|
|
* @param {Date|Number} dateRight - the earlier date
|
|
* @returns {Number} the number of full quarters
|
|
* @throws {TypeError} 2 arguments required
|
|
*
|
|
* @example
|
|
* // How many full quarters are between 31 December 2013 and 2 July 2014?
|
|
* var result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))
|
|
* //=> 2
|
|
*/
|
|
|
|
export default function differenceInQuarters(dirtyDateLeft, dirtyDateRight) {
|
|
requiredArgs(2, arguments);
|
|
var diff = differenceInMonths(dirtyDateLeft, dirtyDateRight) / 3;
|
|
return diff > 0 ? Math.floor(diff) : Math.ceil(diff);
|
|
} |