41 lines
1.4 KiB
JavaScript
41 lines
1.4 KiB
JavaScript
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"use strict";
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exports.setISODay = setISODay;
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var _index = require("./addDays.cjs");
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var _index2 = require("./getISODay.cjs");
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var _index3 = require("./toDate.cjs");
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/**
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* The {@link setISODay} function options.
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*/
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/**
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* @name setISODay
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* @category Weekday Helpers
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* @summary Set the day of the ISO week to the given date.
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*
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* @description
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* Set the day of the ISO week to the given date.
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* ISO week starts with Monday.
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* 7 is the index of Sunday, 1 is the index of Monday, etc.
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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 ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.
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*
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* @param date - The date to be changed
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* @param day - The day of the ISO week of the new date
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* @param options - An object with options
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*
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* @returns The new date with the day of the ISO week set
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*
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* @example
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* // Set Sunday to 1 September 2014:
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* const result = setISODay(new Date(2014, 8, 1), 7)
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* //=> Sun Sep 07 2014 00:00:00
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*/
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function setISODay(date, day, options) {
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const date_ = (0, _index3.toDate)(date, options?.in);
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const currentDay = (0, _index2.getISODay)(date_, options);
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const diff = day - currentDay;
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return (0, _index.addDays)(date_, diff, options);
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}
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