mirror of
https://github.com/denoland/deno.git
synced 2024-12-25 00:29:09 -05:00
21 lines
541 B
TypeScript
21 lines
541 B
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
|
|
import { bytesToUuid } from "./_common.ts";
|
|
|
|
const UUID_RE = new RegExp(
|
|
"^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$",
|
|
"i"
|
|
);
|
|
|
|
export function validate(id: string): boolean {
|
|
return UUID_RE.test(id);
|
|
}
|
|
|
|
export function generate(): string {
|
|
const rnds = crypto.getRandomValues(new Uint8Array(16));
|
|
|
|
rnds[6] = (rnds[6] & 0x0f) | 0x40; // Version 4
|
|
rnds[8] = (rnds[8] & 0x3f) | 0x80; // Variant 10
|
|
|
|
return bytesToUuid(rnds);
|
|
}
|