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38 lines
1.2 KiB
38 lines
1.2 KiB
var parse = require('../parse/index.js') |
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/** |
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* @category Week Helpers |
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* @summary Return the end of a week for the given date. |
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* |
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* @description |
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* Return the end of a week for the given date. |
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* The result will be in the local timezone. |
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* |
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* @param {Date|String|Number} date - the original date |
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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 {Date} the end of a week |
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* |
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* @example |
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* // The end of a week for 2 September 2014 11:55:00: |
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* var result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0)) |
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* //=> Sat Sep 06 2014 23:59:59.999 |
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* |
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* @example |
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* // If the week starts on Monday, the end of the week for 2 September 2014 11:55:00: |
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* var result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0), {weekStartsOn: 1}) |
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* //=> Sun Sep 07 2014 23:59:59.999 |
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*/ |
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function endOfWeek (dirtyDate, dirtyOptions) { |
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var weekStartsOn = dirtyOptions ? (Number(dirtyOptions.weekStartsOn) || 0) : 0 |
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var date = parse(dirtyDate) |
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var day = date.getDay() |
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var diff = (day < weekStartsOn ? -7 : 0) + 6 - (day - weekStartsOn) |
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date.setDate(date.getDate() + diff) |
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date.setHours(23, 59, 59, 999) |
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return date |
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} |
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module.exports = endOfWeek
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