Edit File: RegExpExec.js
'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); };
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