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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; |