forked from waja/action-debian-package
19 lines
1 KiB
JavaScript
19 lines
1 KiB
JavaScript
// 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()).
|
|
var getRandomValues;
|
|
var rnds8 = new Uint8Array(16);
|
|
export default function rng() {
|
|
// lazy load so that environments that need to polyfill have a chance to do so
|
|
if (!getRandomValues) {
|
|
// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also,
|
|
// find the complete implementation of crypto (msCrypto) on IE11.
|
|
getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || typeof msCrypto !== 'undefined' && typeof msCrypto.getRandomValues === 'function' && msCrypto.getRandomValues.bind(msCrypto);
|
|
|
|
if (!getRandomValues) {
|
|
throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
|
|
}
|
|
}
|
|
|
|
return getRandomValues(rnds8);
|
|
} |