8 lines
		
	
	
	
		
			256 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			8 lines
		
	
	
	
		
			256 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
export function uuid(a?: string): string {
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  return a
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    ? (
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        (a as unknown as number) ^
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        ((Math.random() * 16) >> ((a as unknown as number) / 4))
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      ).toString(16)
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    : ('' + 1e7 + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, uuid);
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}
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