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45 lines
1.3 KiB
45 lines
1.3 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 = lastDayOfDecade;
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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 lastDayOfDecade
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* @category Decade Helpers
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* @summary Return the last day of a decade for the given date.
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*
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* @description
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* Return the last day of a decade for 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 original date
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* @returns {Date} the last day of a decade
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* @throws {TypeError} 1 argument required
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*
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* @example
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* // The last day of a decade for 21 December 2012 21:12:00:
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* var result = lastDayOfDecade(new Date(2012, 11, 21, 21, 12, 00))
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* //=> Wed Dec 31 2019 00:00:00
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*/
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function lastDayOfDecade(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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var decade = 9 + Math.floor(year / 10) * 10;
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date.setFullYear(decade + 1, 0, 0);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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module.exports = exports.default;
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