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uuid

Generates RFC 4122 v4 UUIDs. Uses the native crypto.randomUUID() when available (Node.js, secure browser contexts) and falls back to a manual implementation using crypto.getRandomValues() for insecure (HTTP) browser contexts. No external dependencies.

API

function uuid(): string;

Returns a lowercase UUID v4 string in the standard xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx format, where y is one of 8, 9, a, or b (RFC 4122 variant bits).

Usage

import { uuid } from "@webiny/stdlib";

const id = uuid(); // "f47ac10b-58cc-4372-a567-0e02b2c3d479"