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