| 'use strict'; | 
 |  | 
 | var GetIntrinsic = require('get-intrinsic'); | 
 |  | 
 | var $TypeError = GetIntrinsic('%TypeError%'); | 
 |  | 
 | var regexExec = require('call-bind/callBound')('RegExp.prototype.exec'); | 
 |  | 
 | var Call = require('./Call'); | 
 | var Get = require('./Get'); | 
 | var IsCallable = require('./IsCallable'); | 
 | var Type = require('./Type'); | 
 |  | 
 | // https://ecma-international.org/ecma-262/6.0/#sec-regexpexec | 
 |  | 
 | module.exports = function RegExpExec(R, S) { | 
 | 	if (Type(R) !== 'Object') { | 
 | 		throw new $TypeError('Assertion failed: `R` must be an Object'); | 
 | 	} | 
 | 	if (Type(S) !== 'String') { | 
 | 		throw new $TypeError('Assertion failed: `S` must be a String'); | 
 | 	} | 
 | 	var exec = Get(R, 'exec'); | 
 | 	if (IsCallable(exec)) { | 
 | 		var result = Call(exec, R, [S]); | 
 | 		if (result === null || Type(result) === 'Object') { | 
 | 			return result; | 
 | 		} | 
 | 		throw new $TypeError('"exec" method must return `null` or an Object'); | 
 | 	} | 
 | 	return regexExec(R, S); | 
 | }; |