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					14 lines
				
				394 B
			
		
		
			
		
	
	
					14 lines
				
				394 B
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											3 years ago
										 
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								// warning: extremely hot code path.
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								// This has been meticulously optimized for use
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								// within npm install on large package trees.
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								// Do not edit without careful benchmarking.
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								module.exports = str => {
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								  let i = str.length - 1
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								  let slashesStart = -1
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								  while (i > -1 && str.charAt(i) === '/') {
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								    slashesStart = i
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								    i--
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								  }
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								  return slashesStart === -1 ? str : str.slice(0, slashesStart)
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								}
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