| 'use strict'; | 
|   | 
| var has = require('has'); | 
|   | 
| // https://262.ecma-international.org/13.0/#sec-match-records | 
|   | 
| module.exports = function isMatchRecord(record) { | 
|     return ( | 
|         has(record, '[[StartIndex]]') | 
|         && has(record, '[[EndIndex]]') | 
|         && record['[[StartIndex]]'] >= 0 | 
|         && record['[[EndIndex]]'] >= record['[[StartIndex]]'] | 
|         && String(parseInt(record['[[StartIndex]]'], 10)) === String(record['[[StartIndex]]']) | 
|         && String(parseInt(record['[[EndIndex]]'], 10)) === String(record['[[EndIndex]]']) | 
|     ); | 
| }; |