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'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var regexExec = require('../helpers/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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