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import toDate from '../toDate/index'
import requiredArgs from '../_lib/requiredArgs/index'
/**
* @name getQuarter
* @category Quarter Helpers
* @summary Get the year quarter of the given date.
*
* @description
* Get the year quarter of the given date.
*
* ### v2.0.0 breaking changes:
*
* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
*
* @param {Date|Number} date - the given date
* @returns {Number} the quarter
* @throws {TypeError} 1 argument required
*
* @example
* // Which quarter is 2 July 2014?
* const result = getQuarter(new Date(2014, 6, 2))
* //=> 3
*/
export default function getQuarter(dirtyDate: Date | number): number {
requiredArgs(1, arguments)
const date = toDate(dirtyDate)
const quarter = Math.floor(date.getMonth() / 3) + 1
return quarter
}
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