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snowflake-uuid
Advanced tools
Twitter's Snowflake generator for NodeJS.
Snowflake-UUID can generate unique Id numbers at high scale with some simple guarantees.
npm install snowflake-uuid
// or
yarn add snowflake-uuid
// or
pnpm add snowflake-uuid
import { Worker } from 'snowflake-uuid';
// const { Worker } = require('snowflake-uuid');
const generator = new Worker(0, 1, {
workerIdBits: 5,
datacenterIdBits: 5,
sequenceBits: 12,
});
generator.nextId(); // 87559690812260352n
generator.nextId().toString(); // 87559690833231872
generator.getCurrentSequence(); // 0n
generator.getDatacenterId(); // 1n
generator.getLastTimestamp(); // 1630335057075n
generator.getWorkerId(); // 0n
Generated IDs are BigInt and can be easily converted into strings.
Property | Description | Optional? | Type | Default Value |
---|---|---|---|---|
workerId | Id for the worker | Yes | Number or BigInt | 0 |
datacenterId | Identifier of the datacenter to which the worker belongs | Yes | Number or BigInt | 0 |
options | Custom options for the worker | Yes | Object | undefined |
options.epoch | Custom epoch for timestamp generation. By default, the number of milliseconds since the first second of 2021 | Yes | Number or BigInt | 1609459200000 |
options.workerIdBits | Number of usable bits for Worker Id. 5 by default, allows up to 31 Workers | Yes | Number or BigInt | 5 |
options.datacenterIdBits | Number of usable bits for Datacenter Id. 5 by default, allows up to 31 Datacenters | Yes | Number or BigInt | 5 |
options.sequence | For every Id that is generated on that process, this number is incremented | Yes | Number or BigInt | 0 |
options.sequenceBits | Number of usable bits for Sequence Id. 12 by default, allows up to 4095 generations per millisecond per Worker per Datacenter | Yes | Number or BigInt | 12 |
Refer to the LICENSE file.
FAQs
Twitter's Snowflake generator implementation for NodeJS
The npm package snowflake-uuid receives a total of 391 weekly downloads. As such, snowflake-uuid popularity was classified as not popular.
We found that snowflake-uuid demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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