Current File : //var/www/html/node_modules/date-fns/differenceInCalendarISOWeekYears/index.js
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = differenceInCalendarISOWeekYears;
var _index = _interopRequireDefault(require("../getISOWeekYear/index.js"));
var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* @name differenceInCalendarISOWeekYears
* @category ISO Week-Numbering Year Helpers
* @summary Get the number of calendar ISO week-numbering years between the given dates.
*
* @description
* Get the number of calendar ISO week-numbering years between the given dates.
*
* ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
*
* ### 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).
*
* - The function was renamed from `differenceInCalendarISOYears` to `differenceInCalendarISOWeekYears`.
* "ISO week year" is short for [ISO week-numbering year](https://en.wikipedia.org/wiki/ISO_week_date).
* This change makes the name consistent with
* locale-dependent week-numbering year helpers, e.g., `addWeekYears`.
*
* @param {Date|Number} dateLeft - the later date
* @param {Date|Number} dateRight - the earlier date
* @returns {Number} the number of calendar ISO week-numbering years
* @throws {TypeError} 2 arguments required
*
* @example
* // How many calendar ISO week-numbering years are 1 January 2010 and 1 January 2012?
* const result = differenceInCalendarISOWeekYears(
* new Date(2012, 0, 1),
* new Date(2010, 0, 1)
* )
* //=> 2
*/
function differenceInCalendarISOWeekYears(dirtyDateLeft, dirtyDateRight) {
(0, _index2.default)(2, arguments);
return (0, _index.default)(dirtyDateLeft) - (0, _index.default)(dirtyDateRight);
}
module.exports = exports.default;
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