uuid-stream/esm/index.js

A Transform stream that generates RFC-compliant UUID v5.

import { Transform } from 'stream';
import { createHash as createUuidHash } from 'uuid-hash';
export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
export default class UuidStream extends Transform {
    hash;
    constructor(namespace = URL, version = 0x50) {
        super();
        this.hash = createUuidHash(namespace, version);
    }
    _write(chunk, _encoding, callback) {
        this.hash.update(chunk);
        this.push(chunk);
        callback();
    }
    _flush(callback) {
        this.emit('uuid', this.hash.digest());
        callback();
    }
}