1 |
3a515b92
|
cagy
|
'use strict';
|
2 |
|
|
|
3 |
|
|
var GetIntrinsic = require('../GetIntrinsic');
|
4 |
|
|
|
5 |
|
|
var $match = GetIntrinsic('%Symbol.match%', true);
|
6 |
|
|
|
7 |
|
|
var hasRegExpMatcher = require('is-regex');
|
8 |
|
|
|
9 |
|
|
var ToBoolean = require('./ToBoolean');
|
10 |
|
|
|
11 |
|
|
// https://ecma-international.org/ecma-262/6.0/#sec-isregexp
|
12 |
|
|
|
13 |
|
|
module.exports = function IsRegExp(argument) {
|
14 |
|
|
if (!argument || typeof argument !== 'object') {
|
15 |
|
|
return false;
|
16 |
|
|
}
|
17 |
|
|
if ($match) {
|
18 |
|
|
var isRegExp = argument[$match];
|
19 |
|
|
if (typeof isRegExp !== 'undefined') {
|
20 |
|
|
return ToBoolean(isRegExp);
|
21 |
|
|
}
|
22 |
|
|
}
|
23 |
|
|
return hasRegExpMatcher(argument);
|
24 |
|
|
};
|