iceshrimp-161sh/packages/backend/src/misc/gen-id.ts
2023-06-02 23:48:25 -04:00

19 lines
752 B
TypeScript

import config from "@/config/index.js";
import { nativeCreateId, nativeInitIdGenerator } from "native-utils/built";
const length = Math.min(Math.max(config.cuid?.length ?? 16, 16), 24);
const fingerprint = config.cuid?.fingerprint ?? "";
nativeInitIdGenerator(length, fingerprint);
/**
* The generated ID results in the form of `[8 chars timestamp] + [cuid2]`.
* The minimum and maximum lengths are 16 and 24, respectively.
* With the length of 16, namely 8 for cuid2, roughly 1427399 IDs are needed
* in the same millisecond to reach 50% chance of collision.
*
* Ref: https://github.com/paralleldrive/cuid2#parameterized-length
*/
export function genId(date?: Date): string {
return nativeCreateId(BigInt((date ?? new Date()).getTime()));
}