blob: d3cc3085c732bb62612155cadc5b4d927aa7542d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = rng;
// Unique ID creation requires a high quality random # generator. In the browser we therefore
// require the crypto API and do not support built-in fallback to lower quality random number
// generators (like Math.random()).
// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also,
// find the complete implementation of crypto (msCrypto) on IE11.
const getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || typeof msCrypto !== 'undefined' && typeof msCrypto.getRandomValues === 'function' && msCrypto.getRandomValues.bind(msCrypto);
const rnds8 = new Uint8Array(16);
function rng() {
if (!getRandomValues) {
throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
}
return getRandomValues(rnds8);
}
|
