init

mc_test/node_modules/date-fns/esm/setISODay/index.js

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+import toInteger from "../_lib/toInteger/index.js";
+import toDate from "../toDate/index.js";
+import addDays from "../addDays/index.js";
+import getISODay from "../getISODay/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name setISODay
+ * @category Weekday Helpers
+ * @summary Set the day of the ISO week to the given date.
+ *
+ * @description
+ * Set the day of the ISO week to the given date.
+ * ISO week starts with Monday.
+ * 7 is the index of Sunday, 1 is the index of Monday etc.
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} day - the day of the ISO week of the new date
+ * @returns {Date} the new date with the day of the ISO week set
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Set Sunday to 1 September 2014:
+ * const result = setISODay(new Date(2014, 8, 1), 7)
+ * //=> Sun Sep 07 2014 00:00:00
+ */
+export default function setISODay(dirtyDate, dirtyDay) {
+  requiredArgs(2, arguments);
+  var date = toDate(dirtyDate);
+  var day = toInteger(dirtyDay);
+  var currentDay = getISODay(date);
+  var diff = day - currentDay;
+  return addDays(date, diff);
+}