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40 lines
1.2 KiB
40 lines
1.2 KiB
2 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 = isFirstDayOfMonth;
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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 isFirstDayOfMonth
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* @category Month Helpers
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* @summary Is the given date the first day of a month?
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*
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* @description
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* Is the given date the first day of a month?
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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 check
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* @returns {Boolean} the date is the first day of a month
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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 2014 the first day of a month?
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* var result = isFirstDayOfMonth(new Date(2014, 8, 1))
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* //=> true
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*/
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function isFirstDayOfMonth(dirtyDate) {
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(0, _index2.default)(1, arguments);
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return (0, _index.default)(dirtyDate).getDate() === 1;
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}
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module.exports = exports.default;
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