mirror of
https://github.com/denoland/deno.git
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43 lines
1 KiB
Rust
43 lines
1 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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#![deny(warnings)]
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use deno_core::error::AnyError;
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use deno_core::serde_json::json;
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use deno_core::serde_json::Value;
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use deno_core::JsRuntime;
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use deno_core::OpState;
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use deno_core::ZeroCopyBuf;
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use rand::rngs::StdRng;
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use rand::thread_rng;
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use rand::Rng;
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pub use rand; // Re-export rand
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/// Execute this crates' JS source files.
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pub fn init(isolate: &mut JsRuntime) {
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let files = vec![(
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"deno:op_crates/crypto/01_crypto.js",
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include_str!("01_crypto.js"),
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)];
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for (url, source_code) in files {
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isolate.execute(url, source_code).unwrap();
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}
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}
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pub fn op_get_random_values(
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state: &mut OpState,
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_args: Value,
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zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, AnyError> {
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assert_eq!(zero_copy.len(), 1);
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let maybe_seeded_rng = state.try_borrow_mut::<StdRng>();
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if let Some(seeded_rng) = maybe_seeded_rng {
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seeded_rng.fill(&mut *zero_copy[0]);
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} else {
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let mut rng = thread_rng();
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rng.fill(&mut *zero_copy[0]);
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}
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Ok(json!({}))
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}
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