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42 lines
1.2 KiB
42 lines
1.2 KiB
4 years ago
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var startOfWeek = require('../start_of_week/index.js')
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/**
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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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* @param {Date|String|Number} dateLeft - the first date to check
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* @param {Date|String|Number} dateRight - the second date to check
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* @param {Object} [options] - the object with options
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* @param {Number} [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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*
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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(
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* new Date(2014, 7, 31),
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* new Date(2014, 8, 4)
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* )
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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(
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* new Date(2014, 7, 31),
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* 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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function isSameWeek (dirtyDateLeft, dirtyDateRight, dirtyOptions) {
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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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}
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module.exports = isSameWeek
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