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- import toInteger from "../_lib/toInteger/index.js";
- import addMonths from "../addMonths/index.js";
- import requiredArgs from "../_lib/requiredArgs/index.js";
- /**
- * @name addQuarters
- * @category Quarter Helpers
- * @summary Add the specified number of year quarters to the given date.
- *
- * @description
- * Add the specified number of year quarters to the given date.
- *
- * @param {Date|Number} date - the date to be changed
- * @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`.
- * @returns {Date} the new date with the quarters added
- * @throws {TypeError} 2 arguments required
- *
- * @example
- * // Add 1 quarter to 1 September 2014:
- * const result = addQuarters(new Date(2014, 8, 1), 1)
- * //=> Mon Dec 01 2014 00:00:00
- */
- export default function addQuarters(dirtyDate, dirtyAmount) {
- requiredArgs(2, arguments);
- var amount = toInteger(dirtyAmount);
- var months = amount * 3;
- return addMonths(dirtyDate, months);
- }
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