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20 lines
530 B
TypeScript
20 lines
530 B
TypeScript
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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const UUID_RE = new RegExp(
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"^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$",
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"i"
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);
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export function validate(id: string): boolean {
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return UUID_RE.test(id);
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}
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export default function generate(): string {
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return "00000000-0000-4000-8000-000000000000".replace(
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/[0]/g,
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(): string =>
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// random integer from 0 to 15 as a hex digit.
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(crypto.getRandomValues(new Uint8Array(1))[0] % 16).toString(16)
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);
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}
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