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19 lines
472 B
TypeScript
19 lines
472 B
TypeScript
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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export function bytesToUuid(bytes: number[] | Uint8Array): string {
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const bits: string[] = [...bytes].map((bit): string => {
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const s: string = bit.toString(16);
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return bit < 0x10 ? "0" + s : s;
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});
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return [
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...bits.slice(0, 4),
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"-",
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...bits.slice(4, 6),
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"-",
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...bits.slice(6, 8),
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"-",
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...bits.slice(8, 10),
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"-",
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...bits.slice(10),
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].join("");
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}
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