34 lines
1.2 KiB
JavaScript
34 lines
1.2 KiB
JavaScript
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import toInteger from '../_lib/toInteger/index.js';
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import toDate from '../toDate/index.js';
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/**
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* @name addMilliseconds
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* @category Millisecond Helpers
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* @summary Add the specified number of milliseconds to the given date.
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*
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* @description
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* Add the specified number of milliseconds 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 milliseconds to be added
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* @returns {Date} the new date with the milliseconds added
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Add 750 milliseconds to 10 July 2014 12:45:30.000:
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* var result = addMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
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* //=> Thu Jul 10 2014 12:45:30.750
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*/
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export default function addMilliseconds(dirtyDate, dirtyAmount) {
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if (arguments.length < 2) {
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throw new TypeError('2 arguments required, but only ' + arguments.length + ' present');
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}
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var timestamp = toDate(dirtyDate).getTime();
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var amount = toInteger(dirtyAmount);
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return new Date(timestamp + amount);
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}
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