main repo

node_modules/date-fns/getDaysInYear.mjs

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+import { isLeapYear } from "./isLeapYear.mjs";
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name getDaysInYear
+ * @category Year Helpers
+ * @summary Get the number of days in a year of the given date.
+ *
+ * @description
+ * Get the number of days in a 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 number of days in a year
+ *
+ * @example
+ * // How many days are in 2012?
+ * const result = getDaysInYear(new Date(2012, 0, 1))
+ * //=> 366
+ */
+export function getDaysInYear(date) {
+  const _date = toDate(date);
+
+  if (String(new Date(_date)) === "Invalid Date") {
+    return NaN;
+  }
+
+  return isLeapYear(_date) ? 366 : 365;
+}
+
+// Fallback for modularized imports:
+export default getDaysInYear;