Fix: Catch JSDisconnectedExcpetion

MarcelRoozekrans · tpeczek · commit 3570efeac0c9 · 2025-06-28T16:01:39.000+02:00
diff --git a/src/Blazor.BroadcastChannel/BroadcastChannelService.cs b/src/Blazor.BroadcastChannel/BroadcastChannelService.cs
@@ -46,10 +46,17 @@ public async Task AddMessageEventListener(BroadcastChannel channel)
 
         public async ValueTask DisposeAsync()
         {
-            if (_moduleTask.IsValueCreated)
+            try
             {
-                IJSObjectReference module = await _moduleTask.Value;
-                await module.DisposeAsync();
+                if (_moduleTask.IsValueCreated)
+                {
+                    IJSObjectReference module = await _moduleTask.Value;
+                    await module.DisposeAsync();
+                }
+            }
+            catch (JSDisconnectedException)
+            {
+                // When disposing the module, the JS runtime may be disconnected.
             }
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -46,10 +46,17 @@ public async Task AddMessageEventListener(BroadcastChannel channel)`
`46`	`46`
`47`	`47`	`public async ValueTask DisposeAsync()`
`48`	`48`	`{`
`49`		`- if (_moduleTask.IsValueCreated)`
	`49`	`+ try`
`50`	`50`	`{`
`51`		`- IJSObjectReference module = await _moduleTask.Value;`
`52`		`- await module.DisposeAsync();`
	`51`	`+ if (_moduleTask.IsValueCreated)`
	`52`	`+ {`
	`53`	`+ IJSObjectReference module = await _moduleTask.Value;`
	`54`	`+ await module.DisposeAsync();`
	`55`	`+ }`
	`56`	`+ }`
	`57`	`+ catch (JSDisconnectedException)`
	`58`	`+ {`
	`59`	`+ // When disposing the module, the JS runtime may be disconnected.`
`53`	`60`	`}`
`54`	`61`	`}`
`55`	`62`	`}`