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36 lines
1.1 KiB
36 lines
1.1 KiB
var parse = require('../parse/index.js') |
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var getDaysInMonth = require('../get_days_in_month/index.js') |
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/** |
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* @category Month Helpers |
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* @summary Set the month to the given date. |
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* |
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* @description |
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* Set the month 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} month - the month of the new date |
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* @returns {Date} the new date with the month setted |
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* |
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* @example |
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* // Set February to 1 September 2014: |
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* var result = setMonth(new Date(2014, 8, 1), 1) |
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* //=> Sat Feb 01 2014 00:00:00 |
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*/ |
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function setMonth (dirtyDate, dirtyMonth) { |
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var date = parse(dirtyDate) |
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var month = Number(dirtyMonth) |
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var year = date.getFullYear() |
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var day = date.getDate() |
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var dateWithDesiredMonth = new Date(0) |
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dateWithDesiredMonth.setFullYear(year, month, 15) |
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dateWithDesiredMonth.setHours(0, 0, 0, 0) |
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var daysInMonth = getDaysInMonth(dateWithDesiredMonth) |
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// Set the last day of the new month |
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// if the original date was the last day of the longer month |
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date.setMonth(month, Math.min(day, daysInMonth)) |
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return date |
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} |
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module.exports = setMonth
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