29 lines
847 B
JavaScript
29 lines
847 B
JavaScript
var parse = require('../parse/index.js')
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var setMonth = require('../set_month/index.js')
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/**
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* @category Quarter Helpers
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* @summary Set the year quarter to the given date.
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*
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* @description
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* Set the year quarter to the given date.
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*
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* @param {Date|String|Number} date - the date to be changed
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* @param {Number} quarter - the quarter of the new date
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* @returns {Date} the new date with the quarter setted
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*
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* @example
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* // Set the 2nd quarter to 2 July 2014:
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* var result = setQuarter(new Date(2014, 6, 2), 2)
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* //=> Wed Apr 02 2014 00:00:00
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*/
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function setQuarter (dirtyDate, dirtyQuarter) {
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var date = parse(dirtyDate)
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var quarter = Number(dirtyQuarter)
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var oldQuarter = Math.floor(date.getMonth() / 3) + 1
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var diff = quarter - oldQuarter
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return setMonth(date, date.getMonth() + diff * 3)
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}
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module.exports = setQuarter
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