53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
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import { normalizeDates } from "./_lib/normalizeDates.js";
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import { startOfWeek } from "./startOfWeek.js";
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/**
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* The {@link isSameWeek} function options.
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*/
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/**
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* @name isSameWeek
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* @category Week Helpers
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* @summary Are the given dates in the same week (and month and year)?
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*
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* @description
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* Are the given dates in the same week (and month and year)?
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*
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* @param laterDate - The first date to check
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* @param earlierDate - The second date to check
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* @param options - An object with options
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*
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* @returns The dates are in the same week (and month and year)
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*
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* @example
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* // Are 31 August 2014 and 4 September 2014 in the same week?
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* const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4))
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* //=> true
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*
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* @example
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* // If week starts with Monday,
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* // are 31 August 2014 and 4 September 2014 in the same week?
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* const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4), {
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* weekStartsOn: 1
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* })
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* //=> false
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*
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* @example
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* // Are 1 January 2014 and 1 January 2015 in the same week?
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* const result = isSameWeek(new Date(2014, 0, 1), new Date(2015, 0, 1))
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* //=> false
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*/
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export function isSameWeek(laterDate, earlierDate, options) {
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const [laterDate_, earlierDate_] = normalizeDates(
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options?.in,
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laterDate,
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earlierDate,
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);
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return (
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+startOfWeek(laterDate_, options) === +startOfWeek(earlierDate_, options)
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);
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}
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// Fallback for modularized imports:
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export default isSameWeek;
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