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32 lines
1.2 KiB
32 lines
1.2 KiB
import toInteger from '../_lib/toInteger/index.js';
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import addMonths from '../addMonths/index.js';
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import requiredArgs from '../_lib/requiredArgs/index.js';
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/**
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* @name addQuarters
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* @category Quarter Helpers
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* @summary Add the specified number of year quarters to the given date.
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*
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* @description
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* Add the specified number of year quarters to the given date.
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*
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* ### v2.0.0 breaking changes:
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*
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* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
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*
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* @param {Date|Number} date - the date to be changed
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* @param {Number} amount - the amount of quarters to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
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* @returns {Date} the new date with the quarters added
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Add 1 quarter to 1 September 2014:
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* var result = addQuarters(new Date(2014, 8, 1), 1)
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* //=> Mon Dec 01 2014 00:00:00
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*/
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export default function addQuarters(dirtyDate, dirtyAmount) {
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requiredArgs(2, arguments);
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var amount = toInteger(dirtyAmount);
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var months = amount * 3;
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return addMonths(dirtyDate, months);
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} |