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+import { getDefaultOptions } from "../_lib/defaultOptions/index.js";
+import getDate from "../getDate/index.js";
+import getDay from "../getDay/index.js";
+import startOfMonth from "../startOfMonth/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import toInteger from "../_lib/toInteger/index.js";
+/**
+ * @name getWeekOfMonth
+ * @category Week Helpers
+ * @summary Get the week of the month of the given date.
+ *
+ * @description
+ * Get the week of the month of the given date.
+ *
+ * @param {Date|Number} date - the given date
+ * @param {Object} [options] - an object with options.
+ * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
+ * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
+ * @returns {Number} the week of month
+ * @throws {TypeError} 1 argument required
+ * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6 inclusively
+ *
+ * @example
+ * // Which week of the month is 9 November 2017?
+ * const result = getWeekOfMonth(new Date(2017, 10, 9))
+ * //=> 2
+ */
+export default function getWeekOfMonth(date, options) {
+ var _ref, _ref2, _ref3, _options$weekStartsOn, _options$locale, _options$locale$optio, _defaultOptions$local, _defaultOptions$local2;
+ requiredArgs(1, arguments);
+ var defaultOptions = getDefaultOptions();
+ var weekStartsOn = toInteger((_ref = (_ref2 = (_ref3 = (_options$weekStartsOn = options === null || options === void 0 ? void 0 : options.weekStartsOn) !== null && _options$weekStartsOn !== void 0 ? _options$weekStartsOn : options === null || options === void 0 ? void 0 : (_options$locale = options.locale) === null || _options$locale === void 0 ? void 0 : (_options$locale$optio = _options$locale.options) === null || _options$locale$optio === void 0 ? void 0 : _options$locale$optio.weekStartsOn) !== null && _ref3 !== void 0 ? _ref3 : defaultOptions.weekStartsOn) !== null && _ref2 !== void 0 ? _ref2 : (_defaultOptions$local = defaultOptions.locale) === null || _defaultOptions$local === void 0 ? void 0 : (_defaultOptions$local2 = _defaultOptions$local.options) === null || _defaultOptions$local2 === void 0 ? void 0 : _defaultOptions$local2.weekStartsOn) !== null && _ref !== void 0 ? _ref : 0);
+ if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
+ throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');
+ }
+ var currentDayOfMonth = getDate(date);
+ if (isNaN(currentDayOfMonth)) return NaN;
+ var startWeekDay = getDay(startOfMonth(date));
+ var lastDayOfFirstWeek = weekStartsOn - startWeekDay;
+ if (lastDayOfFirstWeek <= 0) lastDayOfFirstWeek += 7;
+ var remainingDaysAfterFirstWeek = currentDayOfMonth - lastDayOfFirstWeek;
+ return Math.ceil(remainingDaysAfterFirstWeek / 7) + 1;
+} \ No newline at end of file
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