25 lines
561 B
JavaScript
25 lines
561 B
JavaScript
|
Module.getRandomValue = (function() {
|
||
|
|
const window_ = "object" === typeof window ? window : this
|
||
|
|
const crypto_ = typeof window_.crypto !== "undefined" ? window_.crypto : window_.msCrypto;
|
||
|
|
|
||
|
|
let randomBytesNode
|
||
|
|
if (!crypto_) {
|
||
|
|
randomBytesNode = require('crypto').randomBytes
|
||
|
|
fn = randomValuesNode
|
||
|
|
} else {
|
||
|
|
fn = randomValuesStandard
|
||
|
|
}
|
||
|
|
|
||
|
|
function randomValuesNode() {
|
||
|
|
return randomBytesNode(1)[0] >>> 0
|
||
|
|
}
|
||
|
|
|
||
|
|
function randomValuesStandard() {
|
||
|
|
var buf = new Uint32Array(1);
|
||
|
|
crypto_.getRandomValues(buf);
|
||
|
|
return buf[0] >>> 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
return fn
|
||
|
|
})()
|