From cef64e708810186eaaf6b77604a0ba4ad452e5d6 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Mon, 29 Sep 2025 16:58:25 +0530
Subject: [PATCH 1/2] Set sharing URL in notebooks on first share

---
 src/index.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/index.ts b/src/index.ts
index 2d13bd17..1bc13ed0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -44,6 +44,19 @@ function generateShareURL(notebookID: string): string {
   return `${baseUrl}?notebook=${notebookID}`;
 }
 
+/**
+ * Sets or updates the 'notebook' query parameter in the current URL to the given notebookID.
+ * If the parameter already exists with the same value, no change is made.
+ * @param notebookID - The ID of the notebook to set in the URL.
+ */
+function setNotebookParamInUrl(notebookID: string): void {
+  const url = new URL(window.location.href);
+  if (url.searchParams.get('notebook') !== notebookID) {
+    url.searchParams.set('notebook', notebookID);
+    window.history.replaceState({}, '', url.toString());
+  }
+}
+
 const manuallySharing = new WeakSet<NotebookPanel | ViewOnlyNotebookPanel>();
 
 /**
@@ -134,6 +147,17 @@ async function handleNotebookSharing(
 
       notebookPanel.context.model.fromJSON(notebookContent);
       await notebookPanel.context.save();
+
+      try {
+        const newReadable =
+          (notebookContent.metadata?.readableId as string | undefined) ??
+          (notebookContent.metadata?.sharedId as string | undefined);
+        if (newReadable) {
+          setNotebookParamInUrl(newReadable);
+        }
+      } catch (e) {
+        console.warn('Failed to update URL with shareable notebook ID:', e);
+      }
     }
 
     if (manual) {

From f3c1b6e1413c2d1ddbc341d9c77396374ce048d9 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Mon, 29 Sep 2025 17:58:27 +0530
Subject: [PATCH 2/2] Change variable name `newReadable` to `notebookID`
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: Michał Krassowski <5832902+krassowski@users.noreply.github.com>
---
 src/index.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 1bc13ed0..58d87b3d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -149,11 +149,11 @@ async function handleNotebookSharing(
       await notebookPanel.context.save();
 
       try {
-        const newReadable =
+        const notebookID =
           (notebookContent.metadata?.readableId as string | undefined) ??
           (notebookContent.metadata?.sharedId as string | undefined);
-        if (newReadable) {
-          setNotebookParamInUrl(newReadable);
+        if (notebookID) {
+          setNotebookParamInUrl(notebookID);
         }
       } catch (e) {
         console.warn('Failed to update URL with shareable notebook ID:', e);