hugoWebsite/node_modules/date-fns/esm/subMonths/index.js

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2022-10-29 00:20:35 +02:00
import toInteger from "../_lib/toInteger/index.js";
import addMonths from "../addMonths/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name subMonths
* @category Month Helpers
* @summary Subtract the specified number of months from the given date.
*
* @description
* Subtract the specified number of months from the given date.
*
* @param {Date|Number} date - the date to be changed
* @param {Number} amount - the amount of months to be subtracted. 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 months subtracted
* @throws {TypeError} 2 arguments required
*
* @example
* // Subtract 5 months from 1 February 2015:
* const result = subMonths(new Date(2015, 1, 1), 5)
* //=> Mon Sep 01 2014 00:00:00
*/
export default function subMonths(dirtyDate, dirtyAmount) {
requiredArgs(2, arguments);
var amount = toInteger(dirtyAmount);
return addMonths(dirtyDate, -amount);
}