mirror of
https://github.com/denoland/deno.git
synced 2024-11-26 16:09:27 -05:00
25 lines
668 B
TypeScript
25 lines
668 B
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
|
|
import { sendSync } from "./dispatch_json.ts";
|
|
import { assert } from "../util.ts";
|
|
|
|
export function getRandomValues<
|
|
T extends
|
|
| Int8Array
|
|
| Uint8Array
|
|
| Uint8ClampedArray
|
|
| Int16Array
|
|
| Uint16Array
|
|
| Int32Array
|
|
| Uint32Array
|
|
>(typedArray: T): T {
|
|
assert(typedArray !== null, "Input must not be null");
|
|
assert(typedArray.length <= 65536, "Input must not be longer than 65536");
|
|
const ui8 = new Uint8Array(
|
|
typedArray.buffer,
|
|
typedArray.byteOffset,
|
|
typedArray.byteLength
|
|
);
|
|
sendSync("op_get_random_values", {}, ui8);
|
|
return typedArray;
|
|
}
|