feige
2023-05-04 f5a0b1f7fc7e7f8dce11c71d26a6fca92b29a0d7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
'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]]'])
    );
};