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{"ast":null,"code":"import differenceInCalendarDays from \"../differenceInCalendarDays/index.js\";\nimport startOfWeekYear from \"../startOfWeekYear/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport toInteger from \"../_lib/toInteger/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nimport { getDefaultOptions } from \"../_lib/defaultOptions/index.js\";\n/**\n * @name setWeekYear\n * @category Week-Numbering Year Helpers\n * @summary Set the local week-numbering year to the given date.\n *\n * @description\n * Set the local week-numbering year to the given date,\n * saving the week number and the weekday number.\n * The exact calculation depends on the values of\n * `options.weekStartsOn` (which is the index of the first day of the week)\n * and `options.firstWeekContainsDate` (which is the day of January, which is always in\n * the first week of the week-numbering year)\n *\n * Week numbering: https://en.wikipedia.org/wiki/Week#Week_numbering\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} weekYear - the local week-numbering year of the new date\n * @param {Object} [options] - an object with options.\n * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}\n * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)\n * @param {1|2|3|4|5|6|7} [options.firstWeekContainsDate=1] - the day of January, which is always in the first week of the year\n * @returns {Date} the new date with the local week-numbering year set\n * @throws {TypeError} 2 arguments required\n * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6\n * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7\n *\n * @example\n * // Set the local week-numbering year 2004 to 2 January 2010 with default options:\n * const result = setWeekYear(new Date(2010, 0, 2), 2004)\n * //=> Sat Jan 03 2004 00:00:00\n *\n * @example\n * // Set the local week-numbering year 2004 to 2 January 2010,\n * // if Monday is the first day of week\n * // and 4 January is always in the first week of the year:\n * const result = setWeekYear(new Date(2010, 0, 2), 2004, {\n * weekStartsOn: 1,\n * firstWeekContainsDate: 4\n * })\n * //=> Sat Jan 01 2005 00:00:00\n */\nexport default function setWeekYear(dirtyDate, dirtyWeekYear, options) {\n var _ref, _ref2, _ref3, _options$firstWeekCon, _options$locale, _options$locale$optio, _defaultOptions$local, _defaultOptions$local2;\n requiredArgs(2, arguments);\n var defaultOptions = getDefaultOptions();\n var firstWeekContainsDate = toInteger((_ref = (_ref2 = (_ref3 = (_options$firstWeekCon = options === null || options === void 0 ? void 0 : options.firstWeekContainsDate) !== null && _options$firstWeekCon !== void 0 ? _options$firstWeekCon : options === null || options === void 0 ? void 0 : (_options$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.firstWeekContainsDate) !== null && _ref3 !== void 0 ? _ref3 : defaultOptions.firstWeekContainsDate) !== 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.firstWeekContainsDate) !== null && _ref !== void 0 ? _ref : 1);\n var date = toDate(dirtyDate);\n var weekYear = toInteger(dirtyWeekYear);\n var diff = differenceInCalendarDays(date, startOfWeekYear(date, options));\n var firstWeek = new Date(0);\n firstWeek.setFullYear(weekYear, 0, firstWeekContainsDate);\n firstWeek.setHours(0, 0, 0, 0);\n date = startOfWeekYear(firstWeek, options);\n date.setDate(date.getDate() + diff);\n return date;\n}","map":{"version":3,"names":["differenceInCalendarDays","startOfWeekYear","toDate","toInteger","requiredArg
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