odin-js-fundamentals-part-5/node_modules/uuid/dist/esm-node/rng.js

12 lines
323 B
JavaScript

import crypto from 'crypto';
const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate
let poolPtr = rnds8Pool.length;
export default function rng() {
if (poolPtr > rnds8Pool.length - 16) {
crypto.randomFillSync(rnds8Pool);
poolPtr = 0;
}
return rnds8Pool.slice(poolPtr, poolPtr += 16);
}