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