34 lines
1 KiB
JavaScript
34 lines
1 KiB
JavaScript
|
import { getRoundingMethod } from "./_lib/getRoundingMethod.js";
|
||
|
|
import { differenceInMonths } from "./differenceInMonths.js";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The {@link differenceInQuarters} function options.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @name differenceInQuarters
|
||
|
|
* @category Quarter Helpers
|
||
|
|
* @summary Get the number of quarters between the given dates.
|
||
|
|
*
|
||
|
|
* @description
|
||
|
|
* Get the number of quarters between the given dates.
|
||
|
|
*
|
||
|
|
* @param laterDate - The later date
|
||
|
|
* @param earlierDate - The earlier date
|
||
|
|
* @param options - An object with options.
|
||
|
|
*
|
||
|
|
* @returns The number of full quarters
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* // How many full quarters are between 31 December 2013 and 2 July 2014?
|
||
|
|
* const result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))
|
||
|
|
* //=> 2
|
||
|
|
*/
|
||
|
|
export function differenceInQuarters(laterDate, earlierDate, options) {
|
||
|
|
const diff = differenceInMonths(laterDate, earlierDate, options) / 3;
|
||
|
|
return getRoundingMethod(options?.roundingMethod)(diff);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Fallback for modularized imports:
|
||
|
|
export default differenceInQuarters;
|