Catch JSDisconnectedException during disposal (#44800)

MackinnonBuck · web-flow · commit 8dc432556c93 · 2022-10-31T13:17:46.000-07:00
diff --git a/src/Components/Web/src/Routing/NavigationLock.cs b/src/Components/Web/src/Routing/NavigationLock.cs
@@ -107,7 +107,14 @@ async ValueTask IAsyncDisposable.DisposeAsync()
 
         if (_confirmExternalNavigation)
         {
-            await JSRuntime.InvokeVoidAsync(NavigationLockInterop.DisableNavigationPrompt, _id);
+            try
+            {
+                await JSRuntime.InvokeVoidAsync(NavigationLockInterop.DisableNavigationPrompt, _id);
+            }
+            catch (JSDisconnectedException)
+            {
+                // If the browser is gone, we don't need it to clean up any browser-side state
+            }
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,14 @@ async ValueTask IAsyncDisposable.DisposeAsync()`
`107`	`107`
`108`	`108`	`if (_confirmExternalNavigation)`
`109`	`109`	`{`
`110`		`- await JSRuntime.InvokeVoidAsync(NavigationLockInterop.DisableNavigationPrompt, _id);`
	`110`	`+ try`
	`111`	`+ {`
	`112`	`+ await JSRuntime.InvokeVoidAsync(NavigationLockInterop.DisableNavigationPrompt, _id);`
	`113`	`+ }`
	`114`	`+ catch (JSDisconnectedException)`
	`115`	`+ {`
	`116`	`+ // If the browser is gone, we don't need it to clean up any browser-side state`
	`117`	`+ }`
`111`	`118`	`}`
`112`	`119`	`}`
`113`	`120`	`}`