38 lines
1.0 KiB
JavaScript
38 lines
1.0 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 = isLeapYear;
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var _index = _interopRequireDefault(require("../toDate/index.js"));
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var _index2 = _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 isLeapYear
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* @category Year Helpers
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* @summary Is the given date in the leap year?
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*
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* @description
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* Is the given date in the leap year?
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*
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* @param {Date|Number} date - the date to check
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* @returns {Boolean} the date is in the leap year
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* @throws {TypeError} 1 argument required
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*
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* @example
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* // Is 1 September 2012 in the leap year?
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* const result = isLeapYear(new Date(2012, 8, 1))
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* //=> true
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*/
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function isLeapYear(dirtyDate) {
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(0, _index2.default)(1, arguments);
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var date = (0, _index.default)(dirtyDate);
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var year = date.getFullYear();
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return year % 400 === 0 || year % 4 === 0 && year % 100 !== 0;
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}
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module.exports = exports.default;
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