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- "use strict";
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = startOfYear;
- var _index = _interopRequireDefault(require("../toDate/index.js"));
- var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
- /**
- * @name startOfYear
- * @category Year Helpers
- * @summary Return the start of a year for the given date.
- *
- * @description
- * Return the start of a year for the given date.
- * The result will be in the local timezone.
- *
- * @param {Date|Number} date - the original date
- * @returns {Date} the start of a year
- * @throws {TypeError} 1 argument required
- *
- * @example
- * // The start of a year for 2 September 2014 11:55:00:
- * const result = startOfYear(new Date(2014, 8, 2, 11, 55, 00))
- * //=> Wed Jan 01 2014 00:00:00
- */
- function startOfYear(dirtyDate) {
- (0, _index2.default)(1, arguments);
- var cleanDate = (0, _index.default)(dirtyDate);
- var date = new Date(0);
- date.setFullYear(cleanDate.getFullYear(), 0, 1);
- date.setHours(0, 0, 0, 0);
- return date;
- }
- module.exports = exports.default;
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