fix(jupyter): more robust Deno.jupyter namespace (#20710)

1 files changed, 6 insertions, 4 deletions

diff --git a/cli/js/40_jupyter.js b/cli/js/40_jupyter.js
index 8cdf0789a..ae257f1c1 100644
--- a/cli/js/40_jupyter.js
+++ b/cli/js/40_jupyter.js
@@ -3,12 +3,14 @@
 const core = globalThis.Deno.core;
 const internals = globalThis.__bootstrap.internals;
 
-import { denoNsUnstable } from "ext:runtime/90_deno_ns.js";
-
 function enableJupyter() {
-  denoNsUnstable.jupyter = {
+  const {
+    op_jupyter_broadcast,
+  } = core.ensureFastOps();
+
+  globalThis.Deno.jupyter = {
     async broadcast(msgType, content) {
-      await core.opAsync("op_jupyter_broadcast", msgType, content);
+      await op_jupyter_broadcast(msgType, content);
     },
   };
 }