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node_modules/date-fns/isSameWeek.js

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+import { normalizeDates } from "./_lib/normalizeDates.js";
+import { startOfWeek } from "./startOfWeek.js";
+
+/**
+ * The {@link isSameWeek} function options.
+ */
+
+/**
+ * @name isSameWeek
+ * @category Week Helpers
+ * @summary Are the given dates in the same week (and month and year)?
+ *
+ * @description
+ * Are the given dates in the same week (and month and year)?
+ *
+ * @param laterDate - The first date to check
+ * @param earlierDate - The second date to check
+ * @param options - An object with options
+ *
+ * @returns The dates are in the same week (and month and year)
+ *
+ * @example
+ * // Are 31 August 2014 and 4 September 2014 in the same week?
+ * const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4))
+ * //=> true
+ *
+ * @example
+ * // If week starts with Monday,
+ * // are 31 August 2014 and 4 September 2014 in the same week?
+ * const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4), {
+ *   weekStartsOn: 1
+ * })
+ * //=> false
+ *
+ * @example
+ * // Are 1 January 2014 and 1 January 2015 in the same week?
+ * const result = isSameWeek(new Date(2014, 0, 1), new Date(2015, 0, 1))
+ * //=> false
+ */
+export function isSameWeek(laterDate, earlierDate, options) {
+  const [laterDate_, earlierDate_] = normalizeDates(
+    options?.in,
+    laterDate,
+    earlierDate,
+  );
+  return (
+    +startOfWeek(laterDate_, options) === +startOfWeek(earlierDate_, options)
+  );
+}
+
+// Fallback for modularized imports:
+export default isSameWeek;