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"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = lastDayOfDecade;
var _index = _interopRequireDefault(require("../toDate/index.js"));
var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
/**
 * @name lastDayOfDecade
 * @category Decade Helpers
 * @summary Return the last day of a decade for the given date.
 *
 * @description
 * Return the last day of a decade for the given date.
 *
 * @param {Date|Number} date - the original date
 * @returns {Date} the last day of a decade
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // The last day of a decade for 21 December 2012 21:12:00:
 * const result = lastDayOfDecade(new Date(2012, 11, 21, 21, 12, 00))
 * //=> Wed Dec 31 2019 00:00:00
 */
function lastDayOfDecade(dirtyDate) {
  (0, _index2.default)(1, arguments);
  var date = (0, _index.default)(dirtyDate);
  var year = date.getFullYear();
  var decade = 9 + Math.floor(year / 10) * 10;
  date.setFullYear(decade + 1, 0, 0);
  date.setHours(0, 0, 0, 0);
  return date;
}
module.exports = exports.default;