📝 Commit Details:

backend/node_modules/date-fns/isSunday.js

@@ -0,0 +1,30 @@
+import { toDate } from "./toDate.js";
+
+/**
+ * The {@link isSunday} function options.
+ */
+
+/**
+ * @name isSunday
+ * @category Weekday Helpers
+ * @summary Is the given date Sunday?
+ *
+ * @description
+ * Is the given date Sunday?
+ *
+ * @param date - The date to check
+ * @param options - The options object
+ *
+ * @returns The date is Sunday
+ *
+ * @example
+ * // Is 21 September 2014 Sunday?
+ * const result = isSunday(new Date(2014, 8, 21))
+ * //=> true
+ */
+export function isSunday(date, options) {
+  return toDate(date, options?.in).getDay() === 0;
+}
+
+// Fallback for modularized imports:
+export default isSunday;