velt/random#

import { random, randomInt } from "velt/random". Fast pseudo-random numbers like Math.random(), for simulations, sampling, shuffling, jitter and load generation. Not for secrets or tokens: use velt/crypto's randomBytes / randomInt for those. Each thread has its own generator (wyrand, seeded from the OS on first use), so concurrent tasks never contend and every run gives a different sequence.

• random(): f64: uniform in [0, 1) (53 random bits).
• randomInt(min, max): i64: uniform in [min, max); min when max <= min.

import { random, randomInt } from "velt/random";

const x = random();
const die = randomInt(1, 7);
console.log(x >= 0.0 && x < 1.0, die >= 1 && die < 7); // true true

UUIDs are in the submodule velt/random/uuid.