1 files changed, 24 insertions, 0 deletions
diff --git a/cli/ops/random.rs b/cli/ops/random.rs
new file mode 100644
index 000000000..7470eab40
--- /dev/null
+++ b/cli/ops/random.rs
@@ -0,0 +1,24 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+use super::dispatch_json::{JsonOp, Value};
+use crate::state::ThreadSafeState;
+use deno::*;
+use rand::thread_rng;
+use rand::Rng;
+
+pub fn op_get_random_values(
+  state: &ThreadSafeState,
+  _args: Value,
+  zero_copy: Option<PinnedBuf>,
+) -> Result<JsonOp, ErrBox> {
+  assert!(zero_copy.is_some());
+
+  if let Some(ref seeded_rng) = state.seeded_rng {
+    let mut rng = seeded_rng.lock().unwrap();
+    rng.fill(&mut zero_copy.unwrap()[..]);
+  } else {
+    let mut rng = thread_rng();
+    rng.fill(&mut zero_copy.unwrap()[..]);
+  }
+
+  Ok(JsonOp::Sync(json!({})))
+}