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21 lines
551 B
JavaScript
21 lines
551 B
JavaScript
'use strict';
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var getDay = Date.prototype.getDay;
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var tryDateObject = function tryDateObject(value) {
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try {
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getDay.call(value);
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return true;
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} catch (e) {
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return false;
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}
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};
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var toStr = Object.prototype.toString;
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var dateClass = '[object Date]';
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var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
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module.exports = function isDateObject(value) {
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if (typeof value !== 'object' || value === null) { return false; }
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return hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass;
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};
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