From 7bcf1211a1494c188c9de83670d328c0492de98a Mon Sep 17 00:00:00 2001
From: Trevor Manz <trevor.j.manz@gmail.com>
Date: Fri, 29 Sep 2023 18:24:09 -0400
Subject: feat(jupyter): send Jupyter messaging metadata with
 `Deno.jupyter.broadcast` (#20714)

Exposes
[`metadata`](https://jupyter-client.readthedocs.io/en/latest/messaging.html#metadata)
to the `Deno.jupyter.broadcast` API.

```js
await Deno.jupyter.broadcast(msgType, content, metadata);
```

The metadata is required for
[`"comm_open"`](https://github.com/jupyter-widgets/ipywidgets/blob/main/packages/schema/messages.md#instantiating-a-widget-object-1)
for with `jupyter.widget` target.
---
 cli/tools/jupyter/jupyter_msg.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'cli/tools/jupyter/jupyter_msg.rs')

diff --git a/cli/tools/jupyter/jupyter_msg.rs b/cli/tools/jupyter/jupyter_msg.rs
index c28dd3b48..beb9f34e4 100644
--- a/cli/tools/jupyter/jupyter_msg.rs
+++ b/cli/tools/jupyter/jupyter_msg.rs
@@ -206,6 +206,14 @@ impl JupyterMessage {
     self
   }
 
+  pub(crate) fn with_metadata(
+    mut self,
+    metadata: serde_json::Value,
+  ) -> JupyterMessage {
+    self.metadata = metadata;
+    self
+  }
+
   pub(crate) async fn send<S: zeromq::SocketSend>(
     &self,
     connection: &mut Connection<S>,
-- 
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