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53 lines
1.4 KiB
53 lines
1.4 KiB
"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 = isDate;
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var _index = _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 isDate
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* @category Common Helpers
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* @summary Is the given value a date?
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*
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* @description
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* Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
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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 {*} value - the value to check
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* @returns {boolean} true if the given value is a date
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* @throws {TypeError} 1 arguments required
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*
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* @example
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* // For a valid date:
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* var result = isDate(new Date())
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* //=> true
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*
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* @example
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* // For an invalid date:
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* var result = isDate(new Date(NaN))
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* //=> true
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*
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* @example
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* // For some value:
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* var result = isDate('2014-02-31')
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* //=> false
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*
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* @example
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* // For an object:
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* var result = isDate({})
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* //=> false
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*/
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function isDate(value) {
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(0, _index.default)(1, arguments);
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return value instanceof Date || typeof value === 'object' && Object.prototype.toString.call(value) === '[object Date]';
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}
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module.exports = exports.default; |