1 |
3a515b92
|
cagy
|
'use strict';
|
2 |
|
|
|
3 |
|
|
var getDay = Date.prototype.getDay;
|
4 |
|
|
var tryDateObject = function tryDateGetDayCall(value) {
|
5 |
|
|
try {
|
6 |
|
|
getDay.call(value);
|
7 |
|
|
return true;
|
8 |
|
|
} catch (e) {
|
9 |
|
|
return false;
|
10 |
|
|
}
|
11 |
|
|
};
|
12 |
|
|
|
13 |
|
|
var toStr = Object.prototype.toString;
|
14 |
|
|
var dateClass = '[object Date]';
|
15 |
|
|
var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
|
16 |
|
|
|
17 |
|
|
module.exports = function isDateObject(value) {
|
18 |
|
|
if (typeof value !== 'object' || value === null) {
|
19 |
|
|
return false;
|
20 |
|
|
}
|
21 |
|
|
return hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass;
|
22 |
|
|
};
|