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			12 lines
		
	
	
		
			302 B
		
	
	
	
		
			TypeScript
		
	
			
		
		
	
	
			12 lines
		
	
	
		
			302 B
		
	
	
	
		
			TypeScript
		
	
const ONE_DAY = 24 * 60 * 60 * 1000;
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export function isLinkPreviewDateValid(value: unknown): value is number {
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  const maximumLinkPreviewDate = Date.now() + ONE_DAY;
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  return (
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    typeof value === 'number' &&
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    value !== 0 &&
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    Number.isFinite(value) &&
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    value < maximumLinkPreviewDate
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  );
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}
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