 c177363a19
			
		
	
	c177363a19
	
	
	
		
			
			🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
			25 lines
		
	
	
		
			609 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			609 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var $RangeError = require('es-errors/range');
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| 
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| var ToInteger = require('./ToInteger');
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| var ToLength = require('./ToLength');
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| var SameValue = require('./SameValue');
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| 
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| // https://262.ecma-international.org/12.0/#sec-toindex
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| 
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| module.exports = function ToIndex(value) {
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| 	if (typeof value === 'undefined') {
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| 		return 0;
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| 	}
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| 	var integerIndex = ToInteger(value);
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| 	if (integerIndex < 0) {
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| 		throw new $RangeError('index must be >= 0');
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| 	}
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| 	var index = ToLength(integerIndex);
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| 	if (!SameValue(integerIndex, index)) {
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| 		throw new $RangeError('index must be >= 0 and < 2 ** 53 - 1');
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| 	}
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| 	return index;
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| };
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