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43 lines
1.7 KiB
43 lines
1.7 KiB
import startOfWeek from '../startOfWeek/index.js';
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import requiredArgs from '../_lib/requiredArgs/index.js';
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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?
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*
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* @description
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* Are the given dates in the same week?
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*
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* ### v2.0.0 breaking changes:
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*
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* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
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*
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* @param {Date|Number} dateLeft - the first date to check
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* @param {Date|Number} dateRight - the second date to check
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* @param {Object} [options] - an object with options.
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* @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
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* @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
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* @returns {Boolean} the dates are in the same week
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* @throws {TypeError} 2 arguments required
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* @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
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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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* var 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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* var 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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export default function isSameWeek(dirtyDateLeft, dirtyDateRight, dirtyOptions) {
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requiredArgs(2, arguments);
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var dateLeftStartOfWeek = startOfWeek(dirtyDateLeft, dirtyOptions);
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var dateRightStartOfWeek = startOfWeek(dirtyDateRight, dirtyOptions);
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return dateLeftStartOfWeek.getTime() === dateRightStartOfWeek.getTime();
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} |