DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
45 lines
1.6 KiB
Text
45 lines
1.6 KiB
Text
import { constructFrom } from "./constructFrom.js";
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import { getISOWeekYear } from "./getISOWeekYear.js";
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import { startOfISOWeek } from "./startOfISOWeek.js";
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/**
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* The {@link endOfISOWeekYear} function options.
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*/
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/**
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* @name endOfISOWeekYear
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* @category ISO Week-Numbering Year Helpers
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* @summary Return the end of an ISO week-numbering year for the given date.
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*
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* @description
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* Return the end of an ISO week-numbering year,
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* which always starts 3 days before the year's first Thursday.
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* The result will be in the local timezone.
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*
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* ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
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*
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* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
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* @typeParam ContextDate - The `Date` type of the context function.
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*
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* @param date - The original date
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* @param options - The options
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*
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* @returns The end of an ISO week-numbering year
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*
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* @example
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* // The end of an ISO week-numbering year for 2 July 2005:
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* const result = endOfISOWeekYear(new Date(2005, 6, 2))
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* //=> Sun Jan 01 2006 23:59:59.999
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*/
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export function endOfISOWeekYear(date, options) {
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const year = getISOWeekYear(date, options);
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const fourthOfJanuaryOfNextYear = constructFrom(options?.in || date, 0);
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fourthOfJanuaryOfNextYear.setFullYear(year + 1, 0, 4);
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fourthOfJanuaryOfNextYear.setHours(0, 0, 0, 0);
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const _date = startOfISOWeek(fourthOfJanuaryOfNextYear, options);
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_date.setMilliseconds(_date.getMilliseconds() - 1);
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return _date;
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}
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// Fallback for modularized imports:
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export default endOfISOWeekYear;
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