| | |
| | | var global = require('../internals/global'); |
| | | var call = require('../internals/function-call'); |
| | | var anObject = require('../internals/an-object'); |
| | | var isCallable = require('../internals/is-callable'); |
| | | var classof = require('../internals/classof-raw'); |
| | | var regexpExec = require('../internals/regexp-exec'); |
| | | |
| | | var TypeError = global.TypeError; |
| | | |
| | | // `RegExpExec` abstract operation |
| | | // https://tc39.es/ecma262/#sec-regexpexec |
| | | module.exports = function (R, S) { |
| | | var exec = R.exec; |
| | | if (isCallable(exec)) { |
| | | var result = exec.call(R, S); |
| | | var result = call(exec, R, S); |
| | | if (result !== null) anObject(result); |
| | | return result; |
| | | } |
| | | if (classof(R) === 'RegExp') return regexpExec.call(R, S); |
| | | if (classof(R) === 'RegExp') return call(regexpExec, R, S); |
| | | throw TypeError('RegExp#exec called on incompatible receiver'); |
| | | }; |