40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
"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 = subQuarters;
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var _index = _interopRequireDefault(require("../_lib/toInteger/index.js"));
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var _index2 = _interopRequireDefault(require("../addQuarters/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 subQuarters
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* @category Quarter Helpers
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* @summary Subtract the specified number of year quarters from the given date.
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*
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* @description
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* Subtract the specified number of year quarters from 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 quarters 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 quarters subtracted
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Subtract 3 quarters from 1 September 2014:
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* const result = subQuarters(new Date(2014, 8, 1), 3)
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* //=> Sun Dec 01 2013 00:00:00
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*/
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function subQuarters(dirtyDate, dirtyAmount) {
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(0, _index3.default)(2, arguments);
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var amount = (0, _index.default)(dirtyAmount);
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return (0, _index2.default)(dirtyDate, -amount);
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}
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module.exports = exports.default; |