21 lines
528 B
TypeScript
21 lines
528 B
TypeScript
export function formatFileSize(bytes: number | null | undefined): string {
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if (bytes == null || !Number.isFinite(bytes)) {
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return ''
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}
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if (bytes < 1024) {
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return `${Math.max(0, Math.round(bytes))} B`
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}
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const units = ['KB', 'MB', 'GB', 'TB']
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let value = bytes / 1024
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let unitIndex = 0
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while (value >= 1024 && unitIndex < units.length - 1) {
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value /= 1024
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unitIndex += 1
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}
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const precision = value >= 10 || unitIndex === 0 ? 1 : 2
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return `${value.toFixed(precision)} ${units[unitIndex]}`
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} |