mirror of
https://github.com/denoland/deno.git
synced 2024-11-23 15:16:54 -05:00
29 lines
754 B
Rust
29 lines
754 B
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use deno_core::error::AnyError;
|
|
use deno_core::OpState;
|
|
use deno_core::ZeroCopyBuf;
|
|
use rand::thread_rng;
|
|
use rand::Rng;
|
|
use serde_json::Value;
|
|
|
|
pub fn init(rt: &mut deno_core::JsRuntime) {
|
|
super::reg_json_sync(rt, "op_get_random_values", op_get_random_values);
|
|
}
|
|
|
|
fn op_get_random_values(
|
|
state: &mut OpState,
|
|
_args: Value,
|
|
zero_copy: &mut [ZeroCopyBuf],
|
|
) -> Result<Value, AnyError> {
|
|
assert_eq!(zero_copy.len(), 1);
|
|
let cli_state = super::cli_state(state);
|
|
if let Some(seeded_rng) = &cli_state.seeded_rng {
|
|
seeded_rng.borrow_mut().fill(&mut *zero_copy[0]);
|
|
} else {
|
|
let mut rng = thread_rng();
|
|
rng.fill(&mut *zero_copy[0]);
|
|
}
|
|
|
|
Ok(json!({}))
|
|
}
|