source: frontend/node_modules/es-abstract/2020/IsRegExp.js

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $match = GetIntrinsic('%Symbol.match%', true);

var hasRegExpMatcher = require('is-regex');
var isObject = require('es-object-atoms/isObject');

var ToBoolean = require('./ToBoolean');

// https://262.ecma-international.org/6.0/#sec-isregexp

module.exports = function IsRegExp(argument) {
        if (!isObject(argument)) {
                return false;
        }
        if ($match) {
                var isRegExp = argument[$match];
                if (typeof isRegExp !== 'undefined') {
                        return ToBoolean(isRegExp);
                }
        }
        return hasRegExpMatcher(argument);
};