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

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+import startOfWeek from "../startOfWeek/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name startOfISOWeek
+ * @category ISO Week Helpers
+ * @summary Return the start of an ISO week for the given date.
+ *
+ * @description
+ * Return the start of an ISO week for the given date.
+ * The result will be in the local timezone.
+ *
+ * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
+ *
+ * @param {Date|Number} date - the original date
+ * @returns {Date} the start of an ISO week
+ * @throws {TypeError} 1 argument required
+ *
+ * @example
+ * // The start of an ISO week for 2 September 2014 11:55:00:
+ * const result = startOfISOWeek(new Date(2014, 8, 2, 11, 55, 0))
+ * //=> Mon Sep 01 2014 00:00:00
+ */
+export default function startOfISOWeek(dirtyDate) {
+  requiredArgs(1, arguments);
+  return startOfWeek(dirtyDate, {
+    weekStartsOn: 1
+  });
+}