59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
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// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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enum Memory {
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Bytes = 1e0,
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KB = 1e3,
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MB = 1e6,
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GB = 1e9,
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TB = 1e12,
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PB = 1e15,
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}
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enum Dimensions {
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Bytes = 'Bytes',
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KB = 'KB',
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MB = 'MB',
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GB = 'GB',
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TB = 'TB',
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PB = 'PB',
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}
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export class Size {
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private readonly precision: number = 4;
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public readonly bytes: number;
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public readonly formattedBytes: string;
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public readonly label: Dimensions;
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public constructor(bytes: number) {
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const _bytes = Math.ceil(bytes);
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this.bytes = bytes;
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switch (true) {
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case _bytes === 0:
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this.formattedBytes = (bytes / Memory.Bytes).toFixed(this.precision);
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this.label = Dimensions.Bytes;
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break;
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case _bytes < Memory.MB:
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this.formattedBytes = (bytes / Memory.KB).toFixed(this.precision);
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this.label = Dimensions.KB;
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break;
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case _bytes < Memory.GB:
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this.formattedBytes = (bytes / Memory.MB).toFixed(this.precision);
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this.label = Dimensions.MB;
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break;
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case _bytes < Memory.TB:
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this.formattedBytes = (bytes / Memory.GB).toFixed(this.precision);
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this.label = Dimensions.GB;
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break;
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case _bytes < Memory.PB:
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this.formattedBytes = (bytes / Memory.TB).toFixed(this.precision);
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this.label = Dimensions.TB;
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break;
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default:
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this.formattedBytes = (bytes / Memory.PB).toFixed(this.precision);
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this.label = Dimensions.PB;
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}
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}
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}
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