35 lines
2.4 KiB
JavaScript
35 lines
2.4 KiB
JavaScript
import toDate from "../../toDate/index.js";
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import requiredArgs from "../requiredArgs/index.js";
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import startOfUTCWeek from "../startOfUTCWeek/index.js";
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import toInteger from "../toInteger/index.js";
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import { getDefaultOptions } from "../defaultOptions/index.js";
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export default function getUTCWeekYear(dirtyDate, options) {
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var _ref, _ref2, _ref3, _options$firstWeekCon, _options$locale, _options$locale$optio, _defaultOptions$local, _defaultOptions$local2;
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requiredArgs(1, arguments);
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var date = toDate(dirtyDate);
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var year = date.getUTCFullYear();
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var defaultOptions = getDefaultOptions();
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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); // Test if weekStartsOn is between 1 and 7 _and_ is not NaN
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if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {
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throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively');
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}
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var firstWeekOfNextYear = new Date(0);
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firstWeekOfNextYear.setUTCFullYear(year + 1, 0, firstWeekContainsDate);
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firstWeekOfNextYear.setUTCHours(0, 0, 0, 0);
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var startOfNextYear = startOfUTCWeek(firstWeekOfNextYear, options);
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var firstWeekOfThisYear = new Date(0);
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firstWeekOfThisYear.setUTCFullYear(year, 0, firstWeekContainsDate);
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firstWeekOfThisYear.setUTCHours(0, 0, 0, 0);
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var startOfThisYear = startOfUTCWeek(firstWeekOfThisYear, options);
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if (date.getTime() >= startOfNextYear.getTime()) {
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return year + 1;
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} else if (date.getTime() >= startOfThisYear.getTime()) {
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return year;
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} else {
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return year - 1;
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}
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} |