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backend/node_modules/date-fns/setISOWeek/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = setISOWeek;
+var _index = _interopRequireDefault(require("../_lib/toInteger/index.js"));
+var _index2 = _interopRequireDefault(require("../toDate/index.js"));
+var _index3 = _interopRequireDefault(require("../getISOWeek/index.js"));
+var _index4 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
+/**
+ * @name setISOWeek
+ * @category ISO Week Helpers
+ * @summary Set the ISO week to the given date.
+ *
+ * @description
+ * Set the ISO week to the given date, saving the weekday number.
+ *
+ * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} isoWeek - the ISO week of the new date
+ * @returns {Date} the new date with the ISO week set
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Set the 53rd ISO week to 7 August 2004:
+ * const result = setISOWeek(new Date(2004, 7, 7), 53)
+ * //=> Sat Jan 01 2005 00:00:00
+ */
+function setISOWeek(dirtyDate, dirtyISOWeek) {
+  (0, _index4.default)(2, arguments);
+  var date = (0, _index2.default)(dirtyDate);
+  var isoWeek = (0, _index.default)(dirtyISOWeek);
+  var diff = (0, _index3.default)(date) - isoWeek;
+  date.setDate(date.getDate() - diff * 7);
+  return date;
+}
+module.exports = exports.default;