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23 lines
682 B
TypeScript
23 lines
682 B
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// This module is browser compatible.
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const UUID_RE =
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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}$/i;
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/**
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* Validate that the passed UUID is an RFC4122 v4 UUID.
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*
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* @example
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* ```ts
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* import { validate } from "https://deno.land/std@$STD_VERSION/uuid/v4.ts";
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* import { generate as generateV1 } from "https://deno.land/std@$STD_VERSION/uuid/v1.ts";
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*
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* validate(crypto.randomUUID()); // true
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* validate(generateV1() as string); // false
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* validate("this-is-not-a-uuid"); // false
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* ```
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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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