let getRandomValues; const rnds8 = new Uint8Array(16); export default function rng() { if (!getRandomValues) { if (typeof crypto === 'undefined' || !crypto.getRandomValues) { throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported'); } getRandomValues = crypto.getRandomValues.bind(crypto); } return getRandomValues(rnds8); }