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					9 lines
				
				262 B
			
		
		
			
		
	
	
					9 lines
				
				262 B
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											3 years ago
										 
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								'use strict';
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								var at = require('./_string-at')(true);
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								 // `AdvanceStringIndex` abstract operation
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								// https://tc39.github.io/ecma262/#sec-advancestringindex
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								module.exports = function (S, index, unicode) {
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								  return index + (unicode ? at(S, index).length : 1);
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								};
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