| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var GetIntrinsic = require('get-intrinsic'); |
| 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 | }; |