squirrel-noise is a typescript implementation of Squirrel Eiserloh's noise based RNG explained at GDC (Link).
Just use npm i squirrel-noise to install the package in your project
To use squirrel noise, you can do the following :
import { squirrelNoise, seededSquirrelNoise } from "squirrel-noise";
let randomValue = squirrelNoise(seed: number, step: number);
let rng = seededSquirrelNoise(seed: number);
let randomValue2 = rng(step: number);