 c177363a19
			
		
	
	c177363a19
	
	
	
		
			
			🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
			27 lines
		
	
	
		
			884 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			884 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var $TypeError = require('es-errors/type');
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| 
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| var substring = require('./substring');
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| 
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| var isMatchRecord = require('../helpers/records/match-record');
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| 
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| // https://262.ecma-international.org/13.0/#sec-getmatchstring
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| 
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| module.exports = function GetMatchString(S, match) {
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| 	if (typeof S !== 'string') {
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| 		throw new $TypeError('Assertion failed: `S` must be a String');
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| 	}
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| 	if (!isMatchRecord(match)) {
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| 		throw new $TypeError('Assertion failed: `match` must be a Match Record');
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| 	}
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| 
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| 	if (!(match['[[StartIndex]]'] <= S.length)) {
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| 		throw new $TypeError('`match` [[StartIndex]] must be a non-negative integer <= the length of S');
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| 	}
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| 	if (!(match['[[EndIndex]]'] <= S.length)) {
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| 		throw new $TypeError('`match` [[EndIndex]] must be an integer between [[StartIndex]] and the length of S, inclusive');
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| 	}
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| 	return substring(S, match['[[StartIndex]]'], match['[[EndIndex]]']);
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| };
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