v1.0 with SW PWA enabled

frontend/node_modules/date-fns/getDayOfYear.mjs

@@ -0,0 +1,32 @@
+import { differenceInCalendarDays } from "./differenceInCalendarDays.mjs";
+import { startOfYear } from "./startOfYear.mjs";
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name getDayOfYear
+ * @category Day Helpers
+ * @summary Get the day of the year of the given date.
+ *
+ * @description
+ * Get the day of the year of the given date.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ *
+ * @param date - The given date
+ *
+ * @returns The day of year
+ *
+ * @example
+ * // Which day of the year is 2 July 2014?
+ * const result = getDayOfYear(new Date(2014, 6, 2))
+ * //=> 183
+ */
+export function getDayOfYear(date) {
+  const _date = toDate(date);
+  const diff = differenceInCalendarDays(_date, startOfYear(_date));
+  const dayOfYear = diff + 1;
+  return dayOfYear;
+}
+
+// Fallback for modularized imports:
+export default getDayOfYear;