"use strict"; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = setMonth; var _index = _interopRequireDefault(require("../_lib/toInteger/index.js")); var _index2 = _interopRequireDefault(require("../toDate/index.js")); var _index3 = _interopRequireDefault(require("../getDaysInMonth/index.js")); var _index4 = _interopRequireDefault(require("../_lib/requiredArgs/index.js")); /** * @name setMonth * @category Month Helpers * @summary Set the month to the given date. * * @description * Set the month to the given date. * * @param {Date|Number} date - the date to be changed * @param {Number} month - the month of the new date * @returns {Date} the new date with the month set * @throws {TypeError} 2 arguments required * * @example * // Set February to 1 September 2014: * const result = setMonth(new Date(2014, 8, 1), 1) * //=> Sat Feb 01 2014 00:00:00 */ function setMonth(dirtyDate, dirtyMonth) { (0, _index4.default)(2, arguments); var date = (0, _index2.default)(dirtyDate); var month = (0, _index.default)(dirtyMonth); var year = date.getFullYear(); var day = date.getDate(); var dateWithDesiredMonth = new Date(0); dateWithDesiredMonth.setFullYear(year, month, 15); dateWithDesiredMonth.setHours(0, 0, 0, 0); var daysInMonth = (0, _index3.default)(dateWithDesiredMonth); // Set the last day of the new month // if the original date was the last day of the longer month date.setMonth(month, Math.min(day, daysInMonth)); return date; } module.exports = exports.default;