Current File : /var/www/html/node_modules/date-fns/getDecade/index.js
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = getDecade;
var _index = _interopRequireDefault(require("../toDate/index.js"));
var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* @name getDecade
* @category Decade Helpers
* @summary Get the decade of the given date.
*
* @description
* Get the decade of the given 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).
*
* @param {Date|Number} date - the given date
* @returns {Number} the year of decade
* @throws {TypeError} 1 argument required
*
* @example
* // Which decade belongs 27 November 1942?
* const result = getDecade(new Date(1942, 10, 27))
* //=> 1940
*/
function getDecade(dirtyDate) {
(0, _index2.default)(1, arguments);
var date = (0, _index.default)(dirtyDate);
var year = date.getFullYear();
var decade = Math.floor(year / 10) * 10;
return decade;
}
module.exports = exports.default;
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