52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = addDays;
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var _index = _interopRequireDefault(require("../_lib/toInteger/index.js"));
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var _index2 = _interopRequireDefault(require("../toDate/index.js"));
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var _index3 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name addDays
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* @category Day Helpers
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* @summary Add the specified number of days to the given date.
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*
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* @description
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* Add the specified number of days to the given date.
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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 days 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 days added
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* @throws {TypeError} - 2 arguments required
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*
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* @example
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* // Add 10 days to 1 September 2014:
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* const result = addDays(new Date(2014, 8, 1), 10)
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* //=> Thu Sep 11 2014 00:00:00
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*/
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function addDays(dirtyDate, dirtyAmount) {
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(0, _index3.default)(2, arguments);
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var date = (0, _index2.default)(dirtyDate);
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var amount = (0, _index.default)(dirtyAmount);
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if (isNaN(amount)) {
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return new Date(NaN);
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}
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if (!amount) {
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// If 0 days, no-op to avoid changing times in the hour before end of DST
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return date;
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}
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date.setDate(date.getDate() + amount);
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return date;
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}
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module.exports = exports.default;
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