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16 lines
532 B
16 lines
532 B
'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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