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- var parse = require('../parse/index.js')
- /**
- * @category Year Helpers
- * @summary Return the last day of a year for the given date.
- *
- * @description
- * Return the last day of a year for the given date.
- * The result will be in the local timezone.
- *
- * @param {Date|String|Number} date - the original date
- * @returns {Date} the last day of a year
- *
- * @example
- * // The last day of a year for 2 September 2014 11:55:00:
- * var result = lastDayOfYear(new Date(2014, 8, 2, 11, 55, 00))
- * //=> Wed Dec 31 2014 00:00:00
- */
- function lastDayOfYear (dirtyDate) {
- var date = parse(dirtyDate)
- var year = date.getFullYear()
- date.setFullYear(year + 1, 0, 0)
- date.setHours(0, 0, 0, 0)
- return date
- }
- module.exports = lastDayOfYear
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