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27 lines
1.1 KiB
27 lines
1.1 KiB
3 years ago
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import toInteger from '../_lib/toInteger/index.js';
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import addBusinessDays from '../addBusinessDays/index.js';
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import requiredArgs from '../_lib/requiredArgs/index.js';
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/**
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* @name subBusinessDays
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* @category Day Helpers
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* @summary Substract the specified number of business days (mon - fri) to the given date.
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*
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* @description
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* Substract the specified number of business days (mon - fri) to the given date, ignoring weekends.
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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 business days to be subtracted. 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 business days subtracted
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Substract 10 business days from 1 September 2014:
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* var result = subBusinessDays(new Date(2014, 8, 1), 10)
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* //=> Mon Aug 18 2014 00:00:00 (skipped weekend days)
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*/
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export default function subBusinessDays(dirtyDate, dirtyAmount) {
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requiredArgs(2, arguments);
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var amount = toInteger(dirtyAmount);
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return addBusinessDays(dirtyDate, -amount);
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}
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