1 files changed, 8 insertions, 1 deletions
diff --git a/cli/ops/random.rs b/cli/ops/random.rs
index 53aedb73f..20296c667 100644
--- a/cli/ops/random.rs
+++ b/cli/ops/random.rs
@@ -8,8 +8,15 @@ use deno_core::ZeroCopyBuf;
 use rand::rngs::StdRng;
 use rand::thread_rng;
 use rand::Rng;
+use rand::SeedableRng;
 
-pub fn init(rt: &mut deno_core::JsRuntime) {
+pub fn init(rt: &mut deno_core::JsRuntime, maybe_seed: Option<u64>) {
+  if let Some(seed) = maybe_seed {
+    let rng = StdRng::seed_from_u64(seed);
+    let op_state = rt.op_state();
+    let mut state = op_state.borrow_mut();
+    state.put::<StdRng>(rng);
+  }
   super::reg_json_sync(rt, "op_get_random_values", op_get_random_values);
 }