@progress/kendo-date-math
Version:
Kendo UI typescript package exporting functions for Date manipulations
17 lines (16 loc) • 691 B
JavaScript
import { firstDecadeOfCentury } from './first-decade-of-century';
/**
* A function that calculates duration in centuries between two `Date` objects.
*
* @param start - The start date value.
* @param end - The end date value.
* @returns - The duration in months.
*
* @example
* ```ts-no-run
* durationInCenturies(new Date(2016, 0, 1), new Date(3216, 0, 1)); // 12
* durationInCenturies(new Date(2016, 6, 1), new Date(2617, 0, 1)); // 6
* durationInCenturies(new Date(2016, 0, 1), new Date(2016, 0, 1)); // 0
* ```
*/
export var durationInCenturies = function (start, end) { return ((firstDecadeOfCentury(end).getFullYear() - firstDecadeOfCentury(start).getFullYear()) / 100); };