init

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

@@ -0,0 +1,28 @@
+import toDate from "../toDate/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name startOfYear
+ * @category Year Helpers
+ * @summary Return the start of a year for the given date.
+ *
+ * @description
+ * Return the start of a year for the given date.
+ * The result will be in the local timezone.
+ *
+ * @param {Date|Number} date - the original date
+ * @returns {Date} the start of a year
+ * @throws {TypeError} 1 argument required
+ *
+ * @example
+ * // The start of a year for 2 September 2014 11:55:00:
+ * const result = startOfYear(new Date(2014, 8, 2, 11, 55, 00))
+ * //=> Wed Jan 01 2014 00:00:00
+ */
+export default function startOfYear(dirtyDate) {
+  requiredArgs(1, arguments);
+  var cleanDate = toDate(dirtyDate);
+  var date = new Date(0);
+  date.setFullYear(cleanDate.getFullYear(), 0, 1);
+  date.setHours(0, 0, 0, 0);
+  return date;
+}