28 lines
1001 B
JavaScript
28 lines
1001 B
JavaScript
import toInteger from "../_lib/toInteger/index.js";
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import addDays from "../addDays/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name addWeeks
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* @category Week Helpers
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* @summary Add the specified number of weeks to the given date.
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*
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* @description
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* Add the specified number of week 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 weeks 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 weeks added
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Add 4 weeks to 1 September 2014:
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* const result = addWeeks(new Date(2014, 8, 1), 4)
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* //=> Mon Sep 29 2014 00:00:00
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*/
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export default function addWeeks(dirtyDate, dirtyAmount) {
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requiredArgs(2, arguments);
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var amount = toInteger(dirtyAmount);
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var days = amount * 7;
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return addDays(dirtyDate, days);
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} |