index.js 1.55 KB
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = setQuarter;

var _index = _interopRequireDefault(require("../_lib/toInteger/index.js"));

var _index2 = _interopRequireDefault(require("../toDate/index.js"));

var _index3 = _interopRequireDefault(require("../setMonth/index.js"));

var _index4 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * @name setQuarter
 * @category Quarter Helpers
 * @summary Set the year quarter to the given date.
 *
 * @description
 * Set the year quarter to 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 date to be changed
 * @param {Number} quarter - the quarter of the new date
 * @returns {Date} the new date with the quarter set
 * @throws {TypeError} 2 arguments required
 *
 * @example
 * // Set the 2nd quarter to 2 July 2014:
 * var result = setQuarter(new Date(2014, 6, 2), 2)
 * //=> Wed Apr 02 2014 00:00:00
 */
function setQuarter(dirtyDate, dirtyQuarter) {
  (0, _index4.default)(2, arguments);
  var date = (0, _index2.default)(dirtyDate);
  var quarter = (0, _index.default)(dirtyQuarter);
  var oldQuarter = Math.floor(date.getMonth() / 3) + 1;
  var diff = quarter - oldQuarter;
  return (0, _index3.default)(date, date.getMonth() + diff * 3);
}

module.exports = exports.default;