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56 lines
1.8 KiB
56 lines
1.8 KiB
3 years ago
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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 = setMonth;
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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("../getDaysInMonth/index.js"));
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var _index4 = _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 setMonth
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* @category Month Helpers
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* @summary Set the month to the given date.
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*
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* @description
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* Set the month 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} month - the month of the new date
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* @returns {Date} the new date with the month set
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Set February to 1 September 2014:
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* var result = setMonth(new Date(2014, 8, 1), 1)
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* //=> Sat Feb 01 2014 00:00:00
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*/
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function setMonth(dirtyDate, dirtyMonth) {
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(0, _index4.default)(2, arguments);
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var date = (0, _index2.default)(dirtyDate);
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var month = (0, _index.default)(dirtyMonth);
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var year = date.getFullYear();
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var day = date.getDate();
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var dateWithDesiredMonth = new Date(0);
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dateWithDesiredMonth.setFullYear(year, month, 15);
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dateWithDesiredMonth.setHours(0, 0, 0, 0);
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var daysInMonth = (0, _index3.default)(dateWithDesiredMonth); // Set the last day of the new month
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// if the original date was the last day of the longer month
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date.setMonth(month, Math.min(day, daysInMonth));
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return date;
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}
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module.exports = exports.default;
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