| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame^] | 3 | var GetIntrinsic = require('get-intrinsic'); |
| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 4 | |
| 5 | var $TypeError = GetIntrinsic('%TypeError%'); |
| 6 | |
| Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame^] | 7 | var regexExec = require('call-bind/callBound')('RegExp.prototype.exec'); |
| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 8 | |
| 9 | var Call = require('./Call'); |
| 10 | var Get = require('./Get'); |
| 11 | var IsCallable = require('./IsCallable'); |
| 12 | var Type = require('./Type'); |
| 13 | |
| 14 | // https://ecma-international.org/ecma-262/6.0/#sec-regexpexec |
| 15 | |
| 16 | module.exports = function RegExpExec(R, S) { |
| 17 | if (Type(R) !== 'Object') { |
| 18 | throw new $TypeError('Assertion failed: `R` must be an Object'); |
| 19 | } |
| 20 | if (Type(S) !== 'String') { |
| 21 | throw new $TypeError('Assertion failed: `S` must be a String'); |
| 22 | } |
| 23 | var exec = Get(R, 'exec'); |
| 24 | if (IsCallable(exec)) { |
| 25 | var result = Call(exec, R, [S]); |
| 26 | if (result === null || Type(result) === 'Object') { |
| 27 | return result; |
| 28 | } |
| 29 | throw new $TypeError('"exec" method must return `null` or an Object'); |
| 30 | } |
| 31 | return regexExec(R, S); |
| 32 | }; |
