You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
547 B
25 lines
547 B
4 years ago
|
'use strict';
|
||
|
|
|
||
|
|
var GetIntrinsic = require('../GetIntrinsic');
|
||
|
|
|
||
|
|
var $match = GetIntrinsic('%Symbol.match%', true);
|
||
|
|
|
||
|
|
var hasRegExpMatcher = require('is-regex');
|
||
|
|
|
||
|
|
var ToBoolean = require('./ToBoolean');
|
||
|
|
|
||
|
|
// https://ecma-international.org/ecma-262/6.0/#sec-isregexp
|
||
|
|
|
||
|
|
module.exports = function IsRegExp(argument) {
|
||
|
|
if (!argument || typeof argument !== 'object') {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if ($match) {
|
||
|
|
var isRegExp = argument[$match];
|
||
|
|
if (typeof isRegExp !== 'undefined') {
|
||
|
|
return ToBoolean(isRegExp);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hasRegExpMatcher(argument);
|
||
|
|
};
|